← All Recast with $25K calculations

Recast with $25K on a $450K mortgage at 3.5%

$25K lump at month 12 — then keep paying the original amount. Monthly principal & interest: $2,020.70.

Free calculators for everyone — the 5–7 Year Alternative serves USA residents only.

Time to payoff27.3 yrs
Years saved2.7
Interest saved$40,766
Total interest$236,687

Every strategy ranked for this loan

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The 5–7 Year Alternative

Pay off your mortgage in 5–7 years instead of 30. *With qualification.

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#StrategyMonthly paymentPayoffInterest saved
01Refinance to 15-Year$3,858.4015.0 yrs$32,940
02Extra $500/Month$2,020.7021.0 yrs$90,961
03$5,000 Yearly Lump Sum$2,020.7022.3 yrs$77,667
04Extra $200/Month$2,020.7025.6 yrs$45,698
05Bi-Weekly Payments$2,020.7026.2 yrs$40,091
06Recast with $25K$2,020.7027.3 yrs$40,766
07Standard 30-Year$2,020.7030.0 yrs$0

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How it works

After a year of normal payments, you put $25,000 toward principal in one lump. A formal recast would lower your required payment — but here you keep paying the original amount, so the difference attacks principal every month after.

Assumptions

$25,000 applied to principal with the 12th payment; borrower keeps paying the original monthly amount. A standard recast lowers the required payment instead — this illustration keeps the payment unchanged to maximize acceleration. Lenders may charge a recast fee.

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Calculations are illustrative only, based on the assumptions shown. Not financial advice, not a promise of savings or payoff time, and not a loan quote.