Freelance Quarterly Tax Estimator
Estimate what you owe the IRS each quarter as a freelancer or independent contractor, combining self-employment tax and income tax, plus an IRS safe-harbor benchmark.
*Estimates only. Not tax advice. Consult a tax professional or IRS Form 1040-ES for exact figures.
Compare your freelance take-home to a traditional salaried job.
Salary & Tax Calculator🧾 Staying Ahead of the IRS
Why freelancers pay taxes four times a year, and how to avoid penalties.
How it Works
Unlike W-2 employees, freelancers don't have taxes withheld automatically, so the IRS requires quarterly estimated payments covering both self-employment tax and regular income tax.
The Formula
Quarterly Payment = (Net Income × 92.35% × 15.3% SE Tax + Net Income × Income Tax Rate) ÷ 4.
Pro Tip
Open a separate savings account and automatically move 25-30% of every freelance payment into it. That way each quarterly tax bill is already covered instead of coming as a scramble.
Frequently Asked Questions
How is quarterly estimated tax calculated for freelancers? +
Take your net self-employment income, apply the 15.3% self-employment tax to 92.35% of it, add your estimated federal (and state) income tax, then divide the total by four to get your quarterly payment.
What is the self-employment tax rate? +
The self-employment tax rate is 15.3%, made up of 12.4% for Social Security and 2.9% for Medicare. It covers both the employee and employer portions since freelancers are effectively both. It's applied to 92.35% of net self-employment earnings, not the full amount.
What is the IRS safe harbor rule? +
The safe harbor rule protects you from underpayment penalties if you pay at least 90% of your current year's tax liability, or 100% of last year's liability (110% if your prior-year adjusted gross income exceeded $150,000), spread across your four quarterly payments.
When are quarterly estimated taxes due? +
For most freelancers, the typical due dates are April 15, June 15, September 15, and January 15 of the following year, though exact dates shift slightly when they fall on a weekend or holiday.
What happens if I don't pay quarterly taxes? +
If you owe $1,000 or more in tax for the year and don't pay enough through quarterly estimates, the IRS can charge an underpayment penalty calculated similarly to interest, based on how much you underpaid and for how long.
Can I deduct business expenses before calculating this? +
Yes. Enter your net income after subtracting legitimate business expenses (equipment, software, home office, mileage, etc.), since self-employment tax and income tax are both calculated on net, not gross, freelance earnings.