Tools
Free calculators
Built for the searches people already type: mortgage payment, take-home pay, gas for a trip. Prefills use the Rateboard desk. Nothing is behind a signup.
Borrowing
- Mortgage paymentPrincipal, interest, taxes, insurance, HOA, and PMI from today’s 30-year average.
- Home affordabilityBack into a purchase price from take-home pay, debts, and a 28/36 rule.
- Auto loanPayment, interest, and total cost by credit tier using Q2 2026 APRs.
- Refinance break-evenMonths to recoup closing costs against today’s 30-year rate.
- Stay or refinanceHonest verdict if you locked near 3% versus today’s 30-year average.
- Card payoffMonths to clear a balance at 22.15% average APR — or your own.