Schedule C is the IRS form that sole proprietors and independent contractors attach to their Form 1040 to report the profit or loss from a business. Its full name is “Schedule C (Form 1040): Profit or Loss From Business.” If you earned modeling income as an independent contractor — which is what that 1099-NEC from your agency represents — Schedule C is where you tell the IRS how much you actually made after expenses, not just how much you were paid before expenses. The form is the bridge between the raw number on your 1099 and the taxable income that shows up on your 1040.

Who files it? Anyone who operated a business as a sole proprietor or received independent contractor income. You don’t need an LLC. You don’t need a business license. If your agency classified you as a 1099 worker and paid you $600 or more, the IRS considers that self-employment income, and Schedule C is the form where you report it. Models, photographers, freelance stylists, makeup artists — the filing obligation is the same. The IRS published Publication 334 as the tax guide for small businesses including sole proprietors, and it walks through the full set of rules that apply to Schedule C filers.

The form itself is organized in a way that makes sense once you see the logic. Part I is income. You start with gross receipts or sales — that’s the total from all your 1099-NEC forms, plus any modeling income that wasn’t reported on a 1099 (cash jobs, income under the $600 reporting threshold, direct bookings where no 1099 was issued). Below that, you can subtract returns and allowances and cost of goods sold if applicable (rarely relevant for models). The result is your gross income.

Part II is expenses. This is where you list everything you spent to earn that income. The form has 20+ specific line items: advertising (line 8), commissions and fees (line 10), contract labor (line 11), insurance (line 15), legal and professional services (line 17), office expenses (line 18), rent or lease of vehicles/machinery/equipment (line 20a), supplies (line 22), travel (line 24a), meals (line 24b, at 50%), utilities (line 25), and a catch-all “other expenses” section (line 27) where you itemize anything that doesn’t fit the named categories. For models, the big lines are usually commissions (if your 1099 is gross and the agency retained its cut), travel, supplies (comp cards, portfolio costs), and professional services.

Part III covers cost of goods sold — skip this unless you’re selling physical products as part of your business. Part IV covers vehicle expenses if you’re claiming business use of a car. Part V is for other expenses, where you list and describe anything that went on line 27.

The bottom line of Schedule C — line 31 — is your net profit or net loss. That number does two things. First, it goes to your Form 1040 as income (Schedule 1, line 3), where it gets taxed at your regular income tax rate along with any other income you have. Second, it goes to Schedule SE, where it becomes the basis for your self employment tax calculation at the self employment tax rate of 15.3%. So if your Schedule C shows $75,000 in net profit, you owe income tax on $75,000 and self employment tax on $75,000. Both. The half-of-SE-tax deduction on your 1040 helps soften this, but it doesn’t eliminate the double hit.

A quick note on history: the IRS used to offer Schedule C-EZ, a simplified version for businesses with less than $5,000 in expenses and no inventory, no employees, no home office deduction, and only one business. It was a single page. The IRS discontinued Schedule C-EZ after the 2018 tax year, so everyone now files the full Schedule C regardless of how simple their situation is. If someone mentions Schedule C-EZ to you, it hasn’t existed for several years.

For models specifically, the Schedule C process starts with reconciling the 1099 to the agency statement. Your 1099 might show $95,000 in gross payments. But your agency retained a 20% commission ($19,000) before paying you, and the 1099 reflects the gross booking amount. You report $95,000 on line 1 of Schedule C, and you deduct $19,000 on line 10 as commissions and fees. Your gross income after that deduction is $76,000. From there, you subtract travel ($8,200), supplies and comp cards ($2,100), professional services ($3,500), phone and internet business portion ($1,800), home office ($3,600), and other business expenses ($1,400). Your net profit on line 31 is $55,400. That’s your taxable Schedule C income.

What triggers an audit on Schedule C? The IRS uses a scoring system called the Discriminant Information Function (DIF) that flags returns with unusual characteristics. For Schedule C, the red flags include: reporting a loss for multiple consecutive years (the IRS may argue you’re running a hobby, not a business, under the hobby loss rules), claiming expenses that are disproportionately large relative to income, putting everything in the “other expenses” category instead of using the correct line items, reporting round numbers that suggest estimation rather than actual records, and having a significant discrepancy between 1099 amounts reported by payers and the gross receipts you report. None of these automatically triggers an audit, but they increase the probability. Keeping clean records, categorizing expenses correctly, and matching your 1099 totals are the best defenses.

One thing that surprises new models: you file one Schedule C for your entire modeling business, not a separate one for each agency. If you worked with three agencies and received three 1099s, all three go onto a single Schedule C. Your gross receipts are the total of all three 1099 amounts (plus any unreported income). Your expenses are the total of all business expenses for the year, regardless of which agency the expense relates to. The IRS wants to see the full picture of your business on one form.

If you’re looking at your tax documents and wondering where to start, Schedule C is the answer. Get every 1099, get every agency statement, add up every business expense, and the form will tell you what you actually owe. For a walkthrough of how the whole return fits together, our Tax Season Guide for Models covers the full process.

Self employment tax is the Social Security and Medicare tax that self-employed people pay on their net earnings. When you work a regular W-2 job, your employer pays half of these taxes (7.65%) and withholds the other half (7.65%) from your paycheck. You never see the employer’s half leave your account — it just happens. When you’re a 1099 independent contractor, there is no employer. You owe both halves. That’s where the self employment tax rate of 15.3% comes from: 12.4% for Social Security plus 2.9% for Medicare. The IRS explains the full structure on its self-employment tax page.

The calculation starts with your net profit from Schedule C — line 31. But the IRS doesn’t apply the 15.3% rate to the full net profit. There’s an adjustment first. You multiply your net profit by 92.35% (or equivalently, 0.9235). This adjustment exists because when you’re an employee, the employer’s share of FICA taxes isn’t included in the employee’s taxable wages. The 92.35% multiplier replicates that treatment for self-employed people. So if your Schedule C net profit is $90,000, you don’t calculate SE tax on $90,000 — you calculate it on $90,000 x 0.9235 = $83,115.

Next, you apply the tax rates. The Social Security portion is 12.4% on net self-employment earnings up to the Social Security wage base. For 2024, that wage base is $168,600. For 2025, it’s $176,100. If your net SE earnings (after the 92.35% adjustment) are below that threshold — which they are for most models — you pay 12.4% on the entire adjusted amount. The Medicare portion is 2.9% on all net SE earnings with no cap. There is no wage base limit on Medicare.

There’s a third layer that hits higher earners. The Additional Medicare Tax, which has been in effect since 2013, adds an extra 0.9% on self-employment income above $200,000 for single filers ($250,000 for married filing jointly). This isn’t part of the base 15.3% rate — it’s a surcharge on top of it. A model who nets $250,000 on Schedule C would pay the regular 2.9% Medicare tax on the full amount, plus an additional 0.9% on the amount above $200,000 ($50,000 x 0.9% = $450).

Here is a worked example using real numbers. Say you’re a freelance model who grossed $120,000 across two agencies in 2024. Your agency statements show $12,000 in commissions that were already withheld (and the 1099s reflect gross amounts). You have $18,000 in other self employed tax deductions: $5,500 in travel, $2,800 in comp cards and portfolio costs, $3,200 in professional services, $2,400 in phone and internet (business portion), $3,100 in home office, and $1,000 in other expenses. Your Schedule C net profit: $120,000 – $12,000 – $18,000 = $90,000.

Step 1: Adjust for the 92.35% factor. $90,000 x 0.9235 = $83,115. This is your net self-employment earnings.

Step 2: Calculate Social Security tax. $83,115 is below the 2024 wage base of $168,600, so you pay 12.4% on the full amount. $83,115 x 0.124 = $10,306.26.

Step 3: Calculate Medicare tax. $83,115 x 0.029 = $2,410.34. No Additional Medicare Tax because you’re below $200,000.

Step 4: Total self employment tax. $10,306.26 + $2,410.34 = $12,716.60. Round to $12,717.

That $12,717 is what you owe in self employment tax alone, before any income tax. It gets calculated on Schedule SE and reported on your Form 1040.

But here’s the part that softens the blow slightly: you get to deduct half of your self employment tax as an above-the-line deduction on your 1040. Half of $12,717 is $6,359 (rounded). That $6,359 reduces your adjusted gross income (AGI), which in turn reduces your income tax. It does not reduce your SE tax — the SE tax is already calculated. But it means your income tax is computed on $90,000 – $6,359 = $83,641 of Schedule C income (before considering the standard deduction and any other adjustments). This deduction exists because employees don’t pay income tax on the employer’s share of FICA. The self-employed half-of-SE-tax deduction mirrors that treatment.

The interaction with AGI matters for other parts of your return too. Your AGI affects eligibility for certain credits, deduction phase-outs, and the premium tax credit if you buy health insurance through the marketplace. A lower AGI from the half-of-SE-tax deduction can have ripple effects beyond just the income tax calculation. For example, if your AGI is near the threshold for a student loan interest deduction phase-out or an IRA contribution deduction, the $6,359 reduction could keep you eligible. It’s one of those adjustments that doesn’t get much attention but can quietly save you money in places you wouldn’t expect.

Because no one withholds tax from 1099 income, you’re expected to make estimated quarterly payments to cover both income tax and self employment tax. The IRS uses Form 1040-ES for this. The payment deadlines are April 15, June 15, September 15, and January 15 of the following year. If you don’t make estimated payments and owe more than $1,000 at filing time, you’ll face an underpayment penalty calculated on Form 2210.

For the model in our example, the total federal tax picture looks something like this: $12,717 in self employment tax, plus income tax on $83,641 minus the standard deduction ($14,600 for single filers in 2024), leaving taxable income around $69,041. Federal income tax on that is roughly $10,800 using 2024 brackets. Total federal tax: approximately $23,500. If that model lives and works in New York City, add state income tax (roughly $4,500) and city income tax (roughly $2,400). Grand total: around $30,400 in taxes on $90,000 of net modeling income. That’s an effective rate of about 34%.

The self employment tax rate of 15.3% is the single biggest surprise for models who are filing for the first time. Income tax they expect. The additional 15.3% on top of it, they don’t. Planning for it — through estimated payments, through maximizing legitimate self employed tax deductions on Schedule C, and through setting aside a percentage of every payment — is the difference between a manageable April and a crisis. Our Tax Season Guide for Models walks through the planning process in detail.

The list of deductible expenses for a working model is longer than most people think, but every item on it has to meet the same bar: the expense must be ordinary and necessary for your modeling business. “Ordinary” means it’s the kind of expense that people in your industry commonly incur. “Necessary” means it’s helpful and appropriate — not that you’d starve without it. Publication 334 lays out the standard, and Topic 509 adds guidance on the home office piece. Below is a category-by-category breakdown of the self employed tax deductions we see on model returns, with the practical details that determine whether each one holds up.

Agency commissions. This is almost always the single largest deduction on a model’s Schedule C. Standard mother agency commissions run 15-20% of gross bookings. Some agencies charge more for certain divisions — commercial print versus editorial, for example. If you work through a mother agent and a local agent in another market, you might pay two commissions on the same booking: 10% to the mother agent and 10-20% to the local agent. In some cases, models pay 30-35% of gross in total commissions. Whether you deduct the commission on Schedule C depends entirely on whether your 1099 reflects the gross booking amount or the net-after-commission amount. If gross, deduct. If net, don’t. The agency statement is the only way to know which applies. We covered this in detail above.

Portfolio, comp cards, and digitals. The costs of building and maintaining your portfolio are core business expenses. This includes photographer fees for test shoots and portfolio updates, composite card printing and distribution, digital comp card hosting fees charged by your agency, portfolio book assembly, and retouching costs. A model who spent $3,500 on a test shoot to update their book for a new market is spending money directly to generate bookings. That’s a textbook business expense. The same applies to headshots for commercial submissions and any photography your agency specifically requested or required.

Grooming and appearance. This is the deduction that generates the most arguments, both with the IRS and among tax professionals. The general rule: personal grooming is not deductible, period. Haircuts, skincare, gym memberships, teeth whitening — these are personal expenses even if you happen to be a model. The IRS has been firm on this for decades. But there are exceptions that hold up when properly documented. Makeup purchased exclusively for on-set use and not suitable for everyday wear (stage makeup, body paint, specialty products) is deductible. A gym membership or personal training that your agency contractually requires as a condition of continued representation has a stronger argument — save the contract language. Skincare treatments that a client or agency specifically mandated for a particular job (a facial peel before an editorial shoot, for example) can be deducted if you have the written request. The key in every case: can you prove the expense was for business, not for living your life? An email from your booker saying “the client needs you to get X treatment before the shoot on Tuesday” is the kind of documentation that matters. A general sense that looking good helps your career is not enough.

Wardrobe. Clothing and accessories you purchase specifically for castings, shoots, or client-mandated looks — things you would not wear in everyday life — are deductible. This typically means specialized pieces: a specific outfit a client requested for a fitting, editorial-only garments, shoes required for a runway show. Regular clothes you wear to castings but also wear on weekends are personal, even if you bought them with castings in mind. The IRS draws this line strictly. If it’s suitable for everyday wear, it’s personal. If it’s a costume, a uniform, or something so specific to a job that you’d never put it on otherwise, it’s business.

Travel. Flights, hotels, and 50% of meals for out-of-town shoots and castings. Publication 463 covers the rules. When you travel overnight for business — fashion week in another city, a multi-day shoot in a different state, a week of go-sees with a new agency — the airfare, hotel, ground transportation, and half your meal costs are deductible. The per diem method is an alternative to tracking actual meal costs: the IRS publishes per diem rates by city, and you can use those rates instead of saving every restaurant receipt. For New York City, the per diem meal rate is relatively high, which can work in your favor if you travel to shoots within the city’s per diem zone.

Local transportation. Getting from your home office to a casting, from one casting to another, from a fitting to a shoot — these are deductible business transportation expenses. If you drive, you can either track actual car expenses and apply your business-use percentage, or use the IRS standard mileage rate: 67 cents per mile for 2024. The mileage rate is simpler but requires a contemporaneous mileage log — date, destination, business purpose, miles driven. No log, no deduction. If you take rideshares, save the annual summary from Uber or Lyft, mark the business trips, and total them. Subway fares for business trips are deductible too, though harder to document unless you track them in real time.

Phone and internet. The business-use percentage of your cell phone bill and home internet is deductible. The IRS doesn’t accept 100% unless you have a dedicated business phone line. For most models, a reasonable business-use percentage is 40-60%, based on how much of your phone and internet activity relates to agency communications, booking confirmations, portfolio uploads, self-tape submissions, and calendar management. Apply that percentage to your annual bill. If your phone costs $1,200 a year and you use it 50% for business, that’s a $600 deduction. Document the basis for your percentage — it doesn’t have to be a scientific study, but “I made it up” won’t work either.

Home office. If you have a space in your home that you use regularly and exclusively for managing your modeling business — responding to agency emails, reviewing casting calls, doing self-tapes, tracking expenses — you can claim the home office deduction. The simplified method gives you $5 per square foot up to 300 square feet ($1,500 max). The regular method uses your actual housing costs (rent, utilities, renter’s insurance, internet) multiplied by the percentage of your home used for business. For NYC models paying high rents, the regular method almost always produces a bigger deduction. Topic 509 covers the requirements.

Professional training and workshops. Runway coaching, posing workshops, acting classes for commercial crossover, dialect coaching, media training — anything your agency recommends or requires to maintain or improve your skills in your current business. Keep the receipt and any communication from your agency about the training. Courses that qualify you for a new career (law school, medical school) are not deductible as business expenses. But courses that sharpen the skills you already use in your modeling business are.

Union dues and professional memberships. SAG-AFTRA dues, if you do commercial or acting work alongside modeling, are deductible. So are membership fees for casting platforms like Casting Networks or Actors Access. Industry association memberships count too. These tend to be annual charges that get buried in bank statements — pull them out and add them to your Schedule C.

Legal and accounting fees. Your CPA’s fee for preparing your Schedule C return, your bookkeeper’s monthly fee, an entertainment lawyer’s retainer — all deductible as professional services on Schedule C line 17. The cost of tax preparation for the self-employment portion of your return is a business expense.

Equipment and depreciation. Ring lights, tripods, backdrops, cameras, or phones purchased primarily for self-taping auditions and portfolio content. If the item costs more than $2,500, you may need to depreciate it over several years or elect to expense it under Section 179. For items under $2,500, the IRS de minimis safe harbor election lets you deduct them in full in the year of purchase.

Health insurance. This one sits outside Schedule C. If you’re self-employed and not eligible for employer-sponsored coverage through a spouse, you can deduct your health insurance premiums as an above-the-line deduction on your Form 1040 (not on Schedule C). It still reduces your AGI and your income tax, but it doesn’t reduce your self employment tax. It’s a common deduction for models and worth noting because a lot of self-employed people miss it.

The deductions add up. A model grossing $100,000 who properly tracks and claims commissions ($20,000), travel ($6,000), comp cards and portfolio ($3,000), phone and internet ($900), home office ($3,200), professional services ($2,500), training ($1,500), and other miscellaneous business expenses ($1,400) brings their Schedule C net down to $61,500 — saving roughly $5,900 in self employment tax and several thousand more in income tax compared to claiming nothing. Our models tax season checklist has a document-gathering framework that helps you capture all of these before filing season, and the international tax guide for models covers additional deductions that come into play if you work across borders.

The 1099-NEC tells you one number: how much money was reported to the IRS as paid to you. The agency statement tells you everything that happened between the gross booking and that number — commissions withheld, fees deducted, chargebacks applied, advances repaid, reimbursements added. Without the agency statement, you’re looking at a single data point with no context. That’s enough to file a bad return. It’s not enough to file an accurate one.

The core issue is gross-to-net. When a client books you through your agency for $10,000, the client pays the agency $10,000. What you actually receive depends on what the agency takes out before wiring your payment. A standard commission structure might look like this: 20% agency commission ($2,000), leaving $8,000 for you. But it’s rarely that clean. The agency might also deduct a portfolio hosting fee ($300), a composite card printing charge ($250), a messenger fee for delivering your book to a casting ($50), and a chargeback from a disputed booking two months ago ($400). Your actual deposit: $7,000. The question is what your 1099-NEC says. If the agency reported $10,000 on the 1099, you need to know about every dollar they kept so you can deduct it properly on Schedule C. If the agency reported $7,000 on the 1099, you should not deduct those charges again — they’re already excluded.

Commission structures vary across the industry, and the variation is what creates confusion. A mother agent in one city might charge 15%. Your local booking agent in another city might charge 20%. On a single job, you could pay commissions to both: the mother agent gets 10% of gross, and the local agent gets 20% of gross. On a $12,000 booking, that’s $1,200 to the mother agent and $2,400 to the local agent — $3,600 total, leaving you $8,400 before any other deductions. If you have two 1099s — one from the mother agent and one from the local agent — you need to reconcile both statements to figure out what each 1099 includes and what it doesn’t. The mother agent’s 1099 might show only the income that flowed through their account. The local agent’s 1099 might show the gross booking or the net-after-their-commission. Without both statements, you’re guessing.

Chargebacks add a layer that catches models off guard. Your agency books you for a $6,000 editorial job in March. The client pays the agency. The agency pays you (minus commission). Then in July, the client disputes the invoice — maybe the images weren’t used, maybe the usage terms changed, maybe the client went bankrupt. The agency pulls $6,000 back from your account. Your year-end 1099 might still include the original $6,000 payment because the 1099 reports payments made during the calendar year, and the chargeback technically reduced a later payment rather than reversing the original one. The agency statement will show the chargeback as a line item. Without it, you’d report $6,000 of income you didn’t keep.

Travel advances work similarly. Some agencies advance travel costs — they book your flight and hotel for an out-of-town shoot and deduct the cost from your future earnings. That advance shows up as a negative on your agency statement, reducing your payout. If the 1099 reflects the gross payment before the advance was deducted, you need to know the advance amount to either report it as income and deduct the travel expense, or to reduce the gross receipts with documentation. Either way, the statement is the source document.

Here’s a realistic reconciliation with numbers. A model receives a 1099-NEC from their primary agency showing $150,000 in nonemployee compensation. The model’s bank deposits from that agency total $110,000 for the year. Where did the other $40,000 go? The agency statement breaks it down: $30,000 in agency commissions (20% of $150,000), $4,200 in composite card printing and digitizing charges, $2,800 in portfolio hosting and website listing fees, $1,500 in messenger and courier fees, and $1,500 in travel advances for out-of-town castings that the agency deducted from earnings. Total retained: $40,000. The model reports $150,000 as gross receipts on Schedule C line 1 (matching the 1099), deducts $30,000 in commissions on line 10, and deducts $4,200 + $2,800 + $1,500 = $8,500 in agency-related fees as additional expenses. The travel advances of $1,500 are reflected in the model’s travel expense deduction if the underlying travel was for business purposes.

If the same model filed without the agency statement — just using the 1099 and bank deposits — they might report $110,000 as gross receipts (what they deposited), creating a $40,000 discrepancy with the 1099. The IRS automated matching system would flag this. Or they might report $150,000 and forget about the $8,500 in agency-retained fees, overpaying their taxes by the tax rate times $8,500. At a combined federal and state effective rate of 35%, that’s roughly $3,000 in unnecessary tax.

The reconciliation process we walk through with model clients during tax season document gathering starts here: lay the 1099 next to the agency statement, match every line item, and make sure you can account for the difference between the 1099 amount and what you actually deposited. If the numbers don’t reconcile, call the agency before filing. If the 1099 is wrong — and they do get issued incorrectly — request a corrected 1099-NEC. Filing a return that contradicts the 1099 without supporting documentation is asking for a notice.

Models who work with multiple agencies need to do this exercise for each one. Three agencies means three 1099s and three agency statements, each with potentially different commission structures and retained-fee arrangements. The total of all 1099s goes on Schedule C line 1, and the total of all legitimate deductions from all statements gets categorized across the appropriate Schedule C expense lines. Our Tax Season Guide for Models has a step-by-step framework for this, and for models with income from international bookings, the agency statement question gets even more important because foreign agency payments may involve withholding, currency conversion, and different commission structures entirely.

The short version: the 1099 is the IRS’s record. The agency statement is yours. When they don’t tell the same story, the statement is what lets you prove yours.

When you earn W-2 wages, your employer withholds federal income tax and FICA taxes from every paycheck and sends them to the IRS on your behalf. By the time you file your return, most of the tax has already been paid. You either owe a small balance or get a refund. That system does not exist for independent contractor taxes. Nobody withholds anything from your 1099 income. The IRS still expects the money on roughly the same schedule — they just expect you to send it yourself, four times a year, through estimated tax payments.

The legal basis is straightforward. The U.S. tax system is pay-as-you-go. If you expect to owe $1,000 or more in federal tax for the year after subtracting withholding and credits, the IRS requires you to make estimated payments. Miss them or underpay them, and you’ll owe an underpayment penalty — interest charged on the amount you should have paid by each quarterly deadline. The penalty is calculated on Form 2210, and the interest rate changes quarterly (it’s been running around 8% annually in recent years, which is not trivial).

The payment dates are April 15, June 15, September 15, and January 15 of the following year. Note the uneven spacing — the first “quarter” covers January through March (three months), the second covers April and May (two months), the third covers June through August (three months), and the fourth covers September through December (four months). The IRS didn’t design these dates to match calendar quarters, and the mismatch confuses people. Just remember the four dates: 4/15, 6/15, 9/15, 1/15.

You make estimated payments using Form 1040-ES. The form includes a worksheet that walks you through estimating your income, deductions, credits, and self employment tax for the year. The result is your expected tax liability. Subtract any withholding you expect from other sources (a W-2 job, for example) and divide the remainder by four. That’s your quarterly payment amount. You can pay electronically through IRS Direct Pay, the Electronic Federal Tax Payment System (EFTPS), or by mailing a check with a 1040-ES voucher.

The safe harbor rules are what keep you from getting penalized even if your estimate is wrong. There are two safe harbors. First: if your total estimated payments (plus any withholding) equal at least 90% of your current year’s tax liability, you avoid the penalty. Second: if your total estimated payments equal at least 100% of your prior year’s total tax liability (as shown on last year’s return), you avoid the penalty regardless of what you owe for the current year. For taxpayers whose adjusted gross income exceeded $150,000 in the prior year ($75,000 if married filing separately), the second safe harbor threshold is 110% instead of 100%.

For models, the prior-year safe harbor is usually the easier path. Modeling income is unpredictable — you might book a $40,000 campaign in September that you didn’t know about in April. Trying to estimate current-year income accurately enough to hit the 90% threshold is difficult when your income depends on bookings that haven’t happened yet. The prior-year method is mechanical: look at line 24 (total tax) on last year’s Form 1040, multiply by 100% (or 110% if your AGI was over $150K), divide by four, and pay that amount each quarter. If your income goes up this year, you’ll owe a balance at filing time, but you won’t owe a penalty.

Here’s how to calculate estimated payments from scratch if you don’t have a prior year return to reference (first-year models, or models who had W-2 income last year and are switching to 1099 for the first time). Estimate your annual gross modeling income. Subtract the self employed tax deductions you expect to incur during the year — commissions, travel, supplies, professional services, home office, phone. That gives you estimated net Schedule C income. Calculate self employment tax: net income x 0.9235 x 15.3%. Calculate the half-of-SE-tax deduction: SE tax / 2. Subtract the half-of-SE-tax deduction and the standard deduction from your net income to get estimated taxable income. Apply the federal income tax brackets to get estimated income tax. Add the income tax and the full SE tax together. That’s your estimated total federal tax for the year. Divide by four.

Worked example: A model in their second year expects to earn $95,000 gross. They estimate $20,000 in commissions and $12,000 in other expenses, leaving $63,000 in net Schedule C income. SE tax: $63,000 x 0.9235 x 0.153 = $8,898. Half-of-SE-tax deduction: $4,449. Taxable income for income tax purposes: $63,000 – $4,449 – $14,600 (standard deduction) = $43,951. Federal income tax on $43,951: approximately $5,100. Total federal tax: $8,898 + $5,100 = $13,998. Quarterly payment: $13,998 / 4 = $3,500. They should send $3,500 to the IRS by each of the four deadlines.

The complication for models is variable income. You might earn $5,000 in Q1, $35,000 in Q2 (fashion week), $15,000 in Q3, and $40,000 in Q4 (holiday campaigns). Dividing the annual estimate by four assumes even income distribution, which is rarely accurate. If you earn a disproportionate amount in one quarter and make equal quarterly payments based on the annual estimate, you might technically underpay for the heavy-income quarters. The IRS offers an alternative: the annualized income installment method, calculated on Schedule AI of Form 2210. This method lets you compute your tax liability based on income actually earned through each quarterly cutoff, rather than assuming even distribution. It’s more work, but it can reduce or eliminate underpayment penalties for people with lumpy income — which describes most models.

Agency advances and holdbacks make the timing even messier. If your agency holds payments for 60-90 days after a booking (standard in the industry), the income you earn in Q3 might not hit your account until Q4. For estimated tax purposes, income is generally counted when you receive it (cash method, which is what most sole proprietors use), not when you earn it. So if your Q3 bookings don’t get paid until Q4, the income falls in Q4 for estimated payment purposes. This is another reason the prior-year safe harbor method is simpler — it avoids the need to track payment timing at all.

State and local estimated payments run on a parallel track. New York State requires estimated payments on its own schedule (the dates usually mirror the federal deadlines). New York City income tax is included in the state estimated payment — you don’t make a separate city payment. Other states where you might have filing obligations (California, Florida has no income tax, Illinois, etc.) have their own rules and deadlines. If you worked in multiple states during the year, you may owe estimated payments to each state where you earned income. Your CPA should flag this during planning.

The penalty for underpayment is not catastrophic — it’s an interest charge, not a fine. But it compounds, and if you miss estimated payments entirely and owe $20,000 at filing time, the penalty on top of the tax bill is an unnecessary cost. Setting up automatic quarterly payments through EFTPS or Direct Pay — even if the amount is approximate — is the simplest way to stay ahead of it. Adjust the payment amount mid-year if your income is tracking significantly higher or lower than expected.

For models who are new to estimated payments or unsure how to calculate them, our Tax Season Guide for Models walks through the process, and we handle estimated tax planning as part of the services we provide to model clients. A new client inquiry is the fastest way to get the conversation started. For a broader view of how the tax strategy connects across quarters and years, the strategy guides section has additional context.