Quarterly estimated payments · Payment planning question

How much should a freelancer pay in quarterly taxes?

Estimate a federal quarterly payment target for freelance income using current-year tax, prior-year tax, and expected withholding.

Short answer

A first-pass federal target usually compares the current-year estimate with the applicable prior-year safe-harbor amount, subtracts withholding, and divides the remaining target into installments. Uneven income can require an annualized method instead of equal quarters.

Calculate the scenario

2026 Quarterly Tax Calculator

Change the prefilled example to match your situation. Inputs stay in your browser.

Your inputs
Enter the details you haveTell us your expected pay, side-income receipts and expenses. We estimate total federal tax and apply the IRS safe-harbor method automatically.
Use paycheck withholding or last year's returnOptional
Estimated result
Estimated quarterly installment$1,973
Required annual-payment target$13,891
Method selected90% of estimated 2026 tax
Estimated 2026 total federal tax$15,434
90% current-year method$13,891
Remaining after withholding$7,891

Equal-installment federal safe-harbor planner. Verify due dates and consider the annualized-income method if income is uneven.

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Why this answer depends on your details

Quarterly payments are about avoiding an underpayment surprise, not simply dividing one guessed percentage by four. Withholding from a W-2 job can count toward the annual target.

How to work through it

  1. Estimate the full federal tax for the year.
  2. Compare 90% of current-year tax with the applicable prior-year safe harbor.
  3. Subtract expected federal withholding and payments already made.
  4. Divide the remaining planning target into installments.
  5. Verify the official due dates and consider annualized income if earnings are uneven.
Error check

Common mistakes

  • Using four equal calendar quarters as if the IRS periods were identical.
  • Forgetting W-2 withholding or prior estimated payments.
  • Ignoring the 110% prior-year rule when it applies.
  • Using the calculator as a state estimated-payment schedule.

Frequently asked questions

Do freelancers always have to pay quarterly?

You generally need an estimated-payment plan when withholding and credits will not cover the amount required under the applicable federal rules. Check your facts and the current IRS instructions.

What if freelance income changes every month?

Equal installments are a budgeting shortcut. The annualized-income method may better match uneven earnings and should be reviewed with the current IRS worksheet or a tax professional.