Free 2025 tax calculators & tools
Estimate your tax, refund, take-home pay and self-employment tax in seconds — updated for the 2025 tax year.
2025 Income Tax Calculator
Estimate your 2025 federal income tax, bracket-by-bracket, plus your refund or balance due.
2025 Tax Refund Estimator
See your estimated 2025 federal refund — or what you'll owe — in seconds.
Paycheck Calculator
Calculate your take-home pay after federal tax, Social Security and Medicare.
Self-Employment Tax Calculator
1099 & freelancer self-employment tax, income tax, and quarterly estimated payments.
Sales Tax Calculator (by State)
Add sales tax by state — enter an amount and see the tax and total, with an optional local rate.
W-4 Withholding Calculator
Dial in your paycheck withholding so you don't owe a big bill or over-withhold all year.
Quarterly Estimated Tax Calculator
Estimate your quarterly 1040-ES payments for self-employment and other untaxed income.
2026 Tax Deadlines Tracker
Every key federal tax due date for the 2026 season, with a live countdown to the next one.
Tax reference & guides
Plain-English answers to the tax questions people search most — always free.
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