Calculation method
Calculates fixed monthly payments on the same remaining balance under the entered current and new rates and terms. Divides upfront costs by positive monthly payment savings for a simple cash-flow break-even estimate.
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Mortgage Refinance Break-Even Calculator
Compare mortgage payments, total interest, and the cash-flow break-even from user-entered refinance terms and upfront costs. Use the example values or enter your own numbers to explore an estimate.
Currency formatting only—not an exchange-rate conversion. No country-specific tax or government rules are applied.
Your results
See a clear estimate
Enter your details to see a personalized calculation, a simple projection, and the assumptions behind it.
Free to use
No sign-up required
Device saving only when requested
FREE TOOLS · NO ACCOUNT
Compare, keep and export
Calculate first to compare a snapshot or export your current results. No values are sent to our server.
PDF downloads contain inputs, results, sources and the available annual schedule. Use Print for the on-screen charts. Monthly ledgers are not available for every model.
Up to three comparison snapshots
Optional device-only storage
Share assumptions, never dollar amounts
Links include eligible rate, term or frequency assumptions only. Dollar amounts are never included. Recipients must enter their own amounts; the link will not reproduce your full financial scenario.
Assumptions & limits
- Closing costs are paid upfront and not financed; both loans are modeled as fixed-rate principal-and-interest loans.
- Excludes prepayment penalties, taxes, escrow, points, the timing of savings, and other loan-specific fees; a longer term can increase total interest.
- Basis: user-entered values.
- Basis: standard fixed-payment and time-value-of-money formulas.
Tax or legal rule year: Not applicable — no country-specific rules are used.