Free financial calculators
Run the numbers in seconds. Each calculator shows the formula, a worked example, and the answers to the questions people actually ask. See live savings rates once you know your target.
Estimate principal and interest with a full amortization schedule.
Calculate interest on a flat-rate deposit or loan using the I = P·r·t formula.
Project growth with periodic compounding and optional monthly contributions.
Work backwards from a goal to the monthly deposit you need.
Stagger CD maturities for steady access and higher blended yields.
Estimate draw-period interest and repayment-period amortization.
Find your debt-free date and total interest from a fixed monthly payment.
Convert between APY and APR for any compounding frequency.
Set a 3–6 month expense target and track your progress.
See how long a 401(k) lasts and what a sustainable monthly withdrawal looks like.
Turn a percent raise into the dollars that actually hit your bank account.