Monthly, by $166.83 a month ($2,168.79 vs $2,001.96).
Which costs less overall?
Biweekly (26 half payments) saves $103,385 in interest ($317,319 vs $420,704).
What rates are these figures based on?
Freddie Mac PMMS averages for the week of September 24, 2026: 30-year 7.03%, 15-year 6.42%. 20-year loans are priced at the 30-year average. Biweekly modelled as one extra monthly payment a year, spread across the months.
Can I compare a different amount?
Yes: change the amount above and press Compare. The page recalculates with the same rates.
Sources
30-year fixed mortgage average: 7.03%. Freddie Mac Primary Mortgage Market Survey (PMMS), series MORTGAGE30US, as of September 24, 2026; retrieved September 26, 2026.
Numbers on this page last changed September 26, 2026. How they are calculated: methodology.
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