FormatCalc library
Finance
without the noise.
Free finance from FormatCalc. Fast, private, and processed entirely in your browser. Choose a tool below to get started—no account or upload required.
Mortgage Calculator
Estimate principal-and-interest mortgage payments after a down payment.
Loan Calculator
Calculate payment totals and interest for a loan.
Compound Interest Calculator
See how an investment can grow with different compounding schedules.
ROI Calculator
Calculate return on investment as a percentage.
CAGR Calculator
Calculate the annualized return of an investment.