Tax calculators

Fast, free, no signup. Estimates only — always verify against irs.gov or a professional.

Federal Tax Estimator

Estimate your federal income tax for 2025.

Self-Employment Tax Calculator

SE tax + income tax for freelancers and 1099 workers.

Refund / Balance-Due Estimator

Rough refund or amount owed based on withholding.

Quarterly Estimated Tax

How much to pay each quarter as a freelancer.

Paycheck Withholding Check

Are you withholding enough? Check per-paycheck.

Late Filing / Payment Penalty Estimator

Estimate failure-to-file and failure-to-pay penalties.