
Calk USA
US Tax & Finance Calculators
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About
Calk-USA is a collection of 700+ calculators built for Americans. Every result is based on current IRS rates and federal and state rules for the 2026 tax year. No sign-up, no ads, no tracking - and it all works offline.
WHAT'S INSIDE
Taxes
- Federal income tax across all 2026 brackets, plus all 50 states
- Self-employment, capital gains, AMT, and estimated quarterly taxes
- Standard deduction, child tax credit, EITC, and the 2026 SALT cap
Paycheck and family
- Hourly and salary take-home pay by state (federal, state, Social Security, Medicare)
- Overtime, bonus, and W-4 withholding
- Child and dependent care credit and 529 college savings
Home and money
- Mortgage payment, affordability, refinance, and amortization
- Personal loan, auto loan, and debt payoff
- Compound interest, 401(k), IRA, Social Security, and net worth
Everyday
- Tip, sales tax, fuel cost, and EV savings
- BMI, calorie, body fat, and due date
- Building, math, and unit converters
FEATURES
- Works offline. Every calculation runs on your device.
- Based on current IRS, SSA, and state government rates for 2026.
- Available in English and Spanish.
- No ads, no account, and no personal-data collection.
WHO IT'S FOR
Employees, freelancers and small-business owners, homebuyers, families, students, and anyone who pays taxes in the United States.
Website: https://calk-usa.com
Support: https://calk-usa.com/contact/
Privacy: https://calk-usa.com/privacy/
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What's New in Calk USA
1.3
August 29, 2026
Remove Ads is here: a one-time purchase that turns off all banner and full-screen ads forever, on all your devices (Restore Purchase included). Prefer not to buy? Watch a short video for 6 ad-free hours. Also in this update: current IRS interest rates (7% for Q3-Q4 2026), the August 2026 Section 7520 rate, and dozens of smaller data corrections across the calculators.
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