Quarterly tax calculator for freelancers

Uses 2026 federal brackets, self-employment tax, the QBI deduction and your state rate to tell you what to save from every payment. Free, no sign-up.

Filing status

Expected 2026 freelance profit$Income minus business expenses.W-2 wages from a day job$State income tax rate%Use 0 for states with no income tax.

Set aside from every payment

20%

About $3,009 per quarter · $12,037 for the year

Try a payment$

Safe to spend

$799

Set aside

$201

Breakdown

Self-employment tax: $8,478
Federal income tax (all income): $3,559
QBI deduction applied: $7,932
State tax: $0

2026 due dates

Q1 · Apr 15, 2026
Q2 · Jun 15, 2026
Q3 · Sep 15, 2026
Q4 · Jan 15, 2027

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Estimates for planning only, not tax advice. Assumes the standard deduction; above the QBI income threshold we leave the QBI deduction out, so the estimate errs high.

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How this calculator works

We work out your self-employment tax (15.3% on 92.35% of profit, with the Social Security part capped at the 2026 wage base), subtract half of it and your QBI deduction from your income, apply the 2026 brackets after the standard deduction, then add your state rate. If you have a day job, we treat your freelance income as stacking on top of it and credit your withholding.