Free calculator · as of 2026-11-01
Mortgage payment & refi break-even calculator
Your monthly principal and interest depends on the loan amount, rate and term. Defaults use Freddie Mac's weekly average: 7.24% for a 30-year and 6.6% for a 15-year as of Oct 29, 2026. A refi breaks even when monthly savings repay the closing costs.
Monthly principal & interest
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- Total interest over the term
Refi break-even
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Estimates only, for illustration. Not financial advice. The math runs in your browser; nothing you type is sent to CashWars.
Rates: Freddie Mac PMMS via FRED, week of Oct 29, 2026 (mortgage rates). National averages, not offers; excludes taxes, insurance and PMI.
FAQ
Is this my real mortgage rate?
No. Freddie Mac reports national averages for strong-credit borrowers with about 20% down. Your quote will differ.
What does the payment leave out?
Property taxes, homeowners insurance, PMI and HOA dues.