26 half-payments = 13 full payments a year; the extra one goes straight to principal.
Example: Loan amount: $336,000 · Rate: 6.5% · Term: 30 yrs → Payoff with biweekly payments: 24 years, 2 months.
Time saved: 5 years, 11 months
Interest saved: $97,728
Biweekly payment: $1,061.87
Frequently asked questions
How do I calculate biweekly mortgage? 26 half-payments = 13 full payments a year; the extra one goes straight to principal. Enter your numbers above and the result updates instantly. For example: Loan amount: $336,000 · Rate: 6.5% · Term: 30 yrs → Payoff with biweekly payments: 24 years, 2 months.
Is this Biweekly Mortgage Calculator free? Yes — completely free with no sign-up or paywall. It runs entirely in your browser and keeps working offline; the numbers you enter never leave your device.
How accurate is it? It uses the standard published formula for biweekly mortgage. Results are estimates for planning — not financial, tax, medical, engineering, or legal advice.