Tax guide

Freelancer Tax Withholding Calculator: How Much to Hold Back From Every Invoice

No employer is withholding tax on your behalf, so the job is yours. This guide gives you the exact percentage to hold back from each payment, based on profit, filing status and where you live.

Updated August 12, 2026 · 12 min read

JN
Javed Niamat

Freelance pricing strategist and founder of FreelancerMetrics. Ten years reading freelance P&Ls — first at an agency, now solo.

Freelancer reviewing tax withholding paperwork beside a laptop showing quarterly tax set-asides
Withholding is not a savings habit. It is money that was never yours, held in a place you cannot spend it.

The formula: withholding % = self-employment tax (15.3% × 92.35% of net earnings) + federal marginal rate + state and local rate, applied to profit rather than gross invoices.

Why freelance tax bills feel bigger than they should

An employee sees a net figure land in their account every month and rarely thinks about the machinery behind it. Income tax, Social Security and Medicare are removed before the money is visible, and half of the payroll tax is quietly paid by the employer. The number on the payslip is already yours to spend.

Freelance income arrives untouched. A $6,000 invoice looks like $6,000, and for a few days it behaves like it too. The tax on it is entirely real, it is calculated later, and it includes the employer half of payroll tax that somebody else used to cover. That is why the first freelance tax bill so often lands as a shock rather than an inconvenience — the money was correct all along, it was just spent before anyone told it not to be.

Withholding fixes this with a single mechanical habit: work out your true rate once, then move that percentage into a separate account the day each payment clears. Everything else — quarterly payments, filing, deductions — becomes administration rather than crisis management, because the money is already sitting there waiting.

How to calculate your freelance tax withholding in 5 steps

  1. 01

    Start from net earnings, not gross invoices

    Withholding is calculated on profit, not revenue. Take everything you invoiced, subtract genuine business expenses — software, insurance, equipment, home-office share, subcontractors, professional fees — and the figure left over is what tax applies to. Freelancers who withhold on gross revenue typically over-reserve by 15 to 25 percent, which is safer than under-reserving but quietly starves the business of working capital.

  2. 02

    Add self-employment tax first, because nobody else pays it

    In the US, self-employment tax is 15.3 percent (12.4 percent Social Security plus 2.9 percent Medicare) applied to 92.35 percent of net earnings. As an employee you only ever saw half of that; as a freelancer you owe both halves. This is the single line that surprises first-year freelancers most, and it applies before any income tax is calculated.

  3. 03

    Layer federal income tax on your marginal band

    Income tax is progressive, so the right number is your marginal rate on the top slice of freelance profit — not your average rate. For a solo freelancer profiting $60,000 to $90,000 after the standard deduction, that is usually the 22 percent band. Remember the deduction for one-half of self-employment tax and the qualified business income deduction, both of which reduce taxable income before the band is applied.

  4. 04

    Add state and local tax, which varies more than anything else

    State income tax ranges from zero in states like Texas, Florida and Washington to over 10 percent in California and New York City once local tax is included. Some cities add a business or unincorporated business tax on top. This one variable can swing a correct withholding percentage from 22 percent to 42 percent, which is why a single 'save 30 percent' rule fails so many freelancers.

  5. 05

    Withhold on arrival and pay quarterly

    Move the percentage the day a client payment clears, into an account that only ever receives money. Then pay estimated tax on the standard schedule — April 15, June 15, September 15 and January 15 — and use the safe-harbour rule (100 percent of last year's tax, 110 percent if you earned over $150,000) to avoid underpayment penalties even in a year when income jumps.

A worked withholding calculation

Here is a full calculation for a single-filer freelancer invoicing $92,000 with $14,000 of legitimate business expenses, living in a state with a 5 percent income tax. Notice the gap between the headline 15.3 percent self-employment rate and the final 28 percent withholding figure.

A worked withholding calculation
LineAmountNotes
Gross invoiced revenue$92,000All client payments received in the year
Deductible business expenses-$14,000Software, insurance, equipment, home office
Net earnings from self-employment$78,000The figure tax is actually calculated on
Self-employment tax (15.3% of 92.35%)$11,022Social Security + Medicare, both halves
Taxable income after deductions$50,300After standard, half-SE and QBI deductions
Federal income tax$6,300Blended across the 10%, 12% and 22% bands
State tax at 5%$2,515Varies from 0% to over 10% by location
Total tax owed$19,83725.4% of net earnings, 21.6% of gross
Recommended withholding28% of each invoiceTotal plus a small safety margin

Withholding percentages by profit level and location

Use these as calibrated starting points rather than final answers. The two variables that move your number most are net profit — because income tax is progressive — and state or city tax, which ranges from nothing to well over ten percent.

Withholding percentages by profit level and location
SituationWithhold from each paymentState elementWhy
Under $30,000 profit, no state tax18–22%$0SE tax dominates; income tax is minimal
$30,000–$60,000, no state tax22–26%$012% federal band plus full SE tax
$60,000–$100,000, mid state tax28–32%5%22% band; the most common freelance bracket
$100,000–$160,000, high state tax33–38%8–10%24% band with city tax layered on
Over $160,000 profit35–42%8–13%SE Social Security cap helps; income bands do not
S-corp election, reasonable salary24–30%VariesDistributions escape SE tax; payroll costs apply

Eight signs your withholding needs fixing

These are structural problems rather than discipline failures. Two or more together usually means tax is being treated as an annual event rather than a per-invoice deduction.

  • !You pay tax from whatever happens to be in the account in April
  • !Your withholding percentage has not changed since your first year
  • !Tax money and spending money share one balance
  • !You have never made a quarterly estimated payment
  • !Expenses are reconstructed at year end from memory
  • !A strong quarter has never triggered a withholding review
  • !You moved state and kept the same reserve percentage
  • !You have received an underpayment penalty notice

The separate account matters more than the exact percentage

Freelancers spend a lot of energy trying to calculate the perfect withholding rate and almost none on where the money sits. That is backwards. A slightly wrong percentage in a dedicated tax account leaves you with a manageable adjustment in April. A perfect percentage in your main current account leaves you with nothing, because visible money is spendable money regardless of what you told yourself it was for.

Open an account that has no debit card attached, ideally at a different institution so it does not appear in the same app view. Set a rule or a standing habit that moves the percentage the day a payment clears. The delay between money arriving and money being allocated is where almost every tax problem in self-employment is created.

Interest is a bonus rather than the point. In a normal rate environment a tax reserve averaging $8,000 across a year earns a few hundred dollars in a high-yield account — worth having, but far less valuable than the certainty of never needing a payment plan.

Deductions change the answer more than people expect

Because self-employment tax and income tax both apply to profit, every legitimate deduction saves roughly 30 to 40 cents on the dollar for a typical freelancer. That is a far higher effective return than most freelancers realise, and it means casual bookkeeping is genuinely expensive. A year of unlogged software subscriptions, mileage and home-office costs frequently adds up to $4,000 to $8,000 of missed deductions.

The categories that get missed most consistently are the boring ones: the business share of your phone and internet, professional insurance, bank and payment-processor fees, training and books, the depreciation on equipment bought in earlier years, and the home-office deduction, which many freelancers skip out of an outdated fear of audits. If you have a defined workspace used regularly and exclusively for work, it is a legitimate claim.

What does not work is inventing expenses or blurring personal spending into business categories. The deductions above are ordinary and defensible; aggressive ones are not worth the exposure, particularly when the honest ones already reduce the bill substantially.

Recalculating when your income changes mid-year

Freelance income rarely arrives evenly, and withholding built on January's expectations can be badly wrong by August. The trigger for a recalculation is not the calendar — it is a change in the run rate. A new retainer, a large one-off project, a lost anchor client or a move to a different state all change the answer immediately.

The quick method takes ten minutes: annualise your year-to-date profit, apply the same three layers — self-employment tax, federal marginal band, state rate — and compare the result against what you have already reserved. If the reserve is short, raise the percentage on remaining invoices rather than making a lump-sum correction in December, which usually collides with the quietest cash-flow month of the year.

If income jumps sharply, lean on the safe-harbour rule. Paying 100 percent of last year's tax (110 percent above $150,000 of prior-year income) across the four instalments avoids penalties even if this year's liability is far larger. You will owe the balance at filing, but on your own schedule and without interest charges.

Frequently asked questions

What is a freelancer tax withholding calculator?

A freelancer tax withholding calculator works out what percentage of each client payment you should hold back for tax. It combines self-employment tax, federal income tax at your marginal band and state or local tax, then applies that percentage to net earnings after business expenses rather than to gross invoices.

How much should a freelancer withhold for taxes?

Most US freelancers should withhold 25 to 30 percent of net earnings. Below $30,000 of profit in a no-income-tax state, 20 percent is usually enough. Above $100,000 in a high-tax state such as California or New York, 35 to 40 percent is realistic. The correct figure depends on profit, filing status and location, which is why a flat rule of thumb misfires so often.

Is the 30% rule accurate for freelance taxes?

It is a reasonable default and a poor final answer. Thirty percent slightly over-reserves for a low earner in a no-tax state and materially under-reserves for a high earner in a high-tax city. Treat 30 percent as the starting point for your first quarter, then recalculate from your actual profit once you have three months of real numbers.

What is self-employment tax and why is it separate?

Self-employment tax is Social Security and Medicare — 15.3 percent applied to 92.35 percent of net earnings. As an employee, your employer paid half and withheld the other half from your paycheck. As a freelancer you owe both halves yourself, and it is charged before income tax, which is why freelance tax bills feel disproportionate to equivalent salaries.

When are freelance quarterly estimated taxes due?

For US federal taxes the dates are April 15, June 15, September 15 and January 15 of the following year. If a date falls on a weekend or holiday it moves to the next business day. Most states with income tax follow the same schedule, though a few differ, so check your state revenue department once and diarise the dates.

What happens if I do not pay quarterly estimated tax?

The IRS charges an underpayment penalty, calculated as interest on the amount you should have paid by each deadline. It is not catastrophic on small balances, but it compounds and it is entirely avoidable. The safe harbour is paying 100 percent of last year's total tax across the four instalments — 110 percent if your prior-year income exceeded $150,000 — which protects you even if this year turns out much stronger.

Which expenses reduce my freelance tax withholding?

Ordinary and necessary business costs: software subscriptions, professional insurance, equipment and its depreciation, a proportionate home-office deduction, business travel, subcontractor payments, accounting and legal fees, training directly related to your work, and business bank or payment processing charges. Each dollar of legitimate expense reduces both self-employment and income tax, which is why bookkeeping through the year pays for itself.

Should I withhold on gross revenue or net profit?

Calculate on net profit, but apply the resulting percentage to each incoming payment for simplicity. So if your modelled tax is 26 percent of profit and your expenses run at 15 percent of revenue, withholding roughly 22 to 24 percent of every invoice lands you in the right place with a small cushion. Recheck the ratio each quarter as your expense base changes.

Do I need to withhold tax on freelance income under $600?

Yes. The $600 threshold governs whether a client must issue you a 1099-NEC, not whether the income is taxable. All self-employment income is reportable, and self-employment tax kicks in once net earnings reach $400 for the year. Small untracked payments are one of the more common sources of an unexpected balance at filing.

How does an S-corp election change freelance withholding?

With an S-corp you pay yourself a reasonable salary subject to payroll taxes, and remaining profit is distributed without self-employment tax. That can save several thousand dollars a year once profit passes roughly $80,000 to $100,000, but it adds payroll filings, an accountant and state fees. Model the net saving before electing — below that profit level the admin usually costs more than the tax saved.

How should freelancers outside the US calculate withholding?

The structure is identical even though the labels differ. In the UK, reserve for income tax plus Class 2 and Class 4 National Insurance and watch payments on account. In Canada, reserve for federal and provincial tax plus both halves of CPP. In Australia, reserve for income tax and the Medicare levy and register for PAYG instalments. In every case, withhold on profit, hold it in a separate account and pay on the local instalment schedule.

How often should I recalculate my withholding percentage?

Every quarter, at the point you make the estimated payment, and immediately after any structural change — a move to a different state, a large equipment purchase, a new recurring retainer, marriage, or a spouse's income change. Fifteen minutes with your year-to-date profit and last year's return is enough to keep the percentage honest.

Work out your withholding before the next invoice clears

Run your rate and expected profit through the calculator, take the percentage it produces, and move that share of every payment on the day it lands.

Open the calculator

About the author

JN
Javed NiamatVerified author

Freelance pricing strategist · Founder, FreelancerMetrics

Javed spent a decade setting rates on both sides of the table — first quoting projects inside a digital agency, then running an independent practice. He now builds pricing tools used by freelancers in over 40 countries, and every guide here is based on real quotes, invoices and negotiations rather than recycled advice.

  • 10+ years pricing freelance and agency work
  • Reviewed 400+ freelancer P&Ls and rate cards
  • Builder of the FreelancerMetrics rate calculators
  • Writes only from first-hand client and invoice data

Sources & methodology

Benchmarks in this guide come from public data and from anonymised rate and invoice figures shared by FreelancerMetrics users. Where a number is an estimate rather than a published statistic, it is labelled as such in the text. Primary references:

  1. 1
    Self-Employment Tax (Social Security and Medicare Taxes)
    IRS

    The 15.3% combined rate and the 92.35% net-earnings basis used in our tax estimates.

  2. 2
    Self-Employed Individuals Tax Center
    IRS

    Self-employment tax rate, quarterly estimated payment rules and deductible business expenses.

  3. 3
    Financial reporting and profitability guidance
    AICPA & CIMA

    Standard gross-margin and net-profit definitions used in our profit calculations.

  4. 4
    Freelance contracts, payment and rate resources
    Freelancers Union

    Contract terms, late-payment protections and independent-worker income guidance.

Last reviewed August 4, 2026 by Javed Niamat. Tax and benefit figures are US-centric; check your local authority before filing.