Who this is for
- People asking: “What should I send the IRS?”
- Anyone who needs a quick planning estimate before making a freelance decision.
- People who want to compare two transparent sets of assumptions before committing money.
How to use this tool
- 1Enter your best current estimate for expected annual profit, federal income tax estimate, state income tax estimate.
- 2Review the quarterly tax estimator result and the assumptions behind it.
- 3Change one input at a time to compare a conservative and an optimistic scenario.
Companion guide
Quarterly Estimated Taxes for the Self-Employed
Quarterly payments are about the remaining tax estimate and the remaining due dates—not the percentage to reserve from your next invoice. Estimate the year, subtract what you have paid, then spread the remainder across the payment periods left.
Read the guide →Calculator FAQ
What does the quarterly tax estimator estimate?+
Estimate a remaining quarterly tax payment from your expected freelance profit.
Are the results guaranteed?+
No. The result is an estimate based on the inputs and stated formula. Actual rates, terms, taxes, fees, and eligibility can change the outcome.
What should I do after getting a result?+
Use the result as a decision baseline, compare a second scenario, and confirm important tax, lending, or investment decisions with the appropriate qualified professional.
Can I share my scenario?+
Yes. The calculator keeps non-default inputs in the URL so a copied link recreates the same planning scenario.