The King Calculators collection
Free, clear calculators for pay and money
Choose the question you need to answer. The 2026 US paycheck estimator covers federal taxes and common deductions. The other tools focus on one transparent formula at a time, with assumptions explained next to the result.
2026 US Paycheck Calculator
Calculate federal income tax, FICA and estimated net pay from an hourly rate or annual salary.
Open paycheck calculator →Hourly to Salary Calculator
Turn an hourly wage into weekly, monthly, or annual gross pay.
Open calculator →Overtime Pay Calculator
See overtime earnings, regular wages, and total weekly gross pay.
Open calculator →Loan Payment Calculator
Estimate monthly principal and interest for a fixed-rate loan.
Open calculator →Percentage Change Calculator
Compare two values and see the exact percentage increase or decrease.
Open calculator →Sales Tax Calculator
Add a known state or local sales tax rate to a purchase total.
Open calculator →All calculations run in your browser. We do not collect your typed numbers through a server form. Results are estimates; check real-world decisions against official documents.