Free finance calculators

Understand your money in seconds.

Simple, accurate calculators to help you plan, save, and grow - starting with what actually lands in your paycheck.

Calculators

See your real paycheck after federal tax, FICA, and state tax - for all 50 states.

Monthly payment, amortization, and total interest.

Snowball vs avalanche - see which clears debt faster.

Project your nest egg and contribution growth.

Every calculator is free and works instantly - no sign-up, no paywall.

Built on the latest federal, FICA, and state tax figures, with sources.

Calculations run in your browser. We never store your salary or numbers.