All Tax Calculators

18 free calculators. All run in your browser with up-to-date 2025 rates.

Income Tax

Estimate federal income tax for 2025

Find your marginal tax bracket

SE tax for freelancers and contractors

Your true average tax percentage

See if you'll get a refund or owe

Optimize your W-4 withholding

Marriage penalty or bonus?

Take-home pay per paycheck

Convert hourly wage to annual salary

Time-and-a-half overtime pay

Tax withholding on bonuses

Sales tax on purchases

Tax on stocks and investments

Tax on Bitcoin and cryptocurrency

Federal and state estate tax

Annual and lifetime gift exclusions

Annual property tax estimate

Calculate tips and split bills