Quarterly Tax Estimator 2026

Estimate your 2026 quarterly estimated tax payments as a freelancer or self-employed worker. Calculates SE tax + federal income tax broken into four IRS payment deadlines. Add your prior-year tax liability to see your safe harbor amount.

After business expenses

Enables safe harbor calculation

2026 Quarterly Payment Schedule

Q1 — January–March

Due April 15, 2026

$5,768

Q2 — April–May

Due June 16, 2026

$5,768

Q3 — June–August

Due September 15, 2026

$5,768

Q4 — September–December

Due January 15, 2027

$5,768

Total Annual Tax$23,074

Tax Breakdown

Self-Employment Tax (15.3%)$11,304
Federal Income Tax$7,527
State Income Tax$3,363
SE deduction applied−$5,652
Effective Tax Rate28.8%

Quarterly payments are each 25% of estimated annual tax. Dates follow IRS 2026 schedule. Consult a tax professional for your exact liability.

Calculate by State