← All Refinance to 15-Year calculations

Refinance to 15-Year on a $450K mortgage at 8.5%

New 15-year loan at 6.25% — higher payment, far less interest. Monthly principal & interest: $3,858.40.

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

Time to payoff15.0 yrs
Years saved15.0
Interest saved$551,127
Total interest$244,513

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$551,127
02Extra $500/Month$3,460.1119.3 yrs$328,743
03$5,000 Yearly Lump Sum$3,460.1120.7 yrs$286,443
04Bi-Weekly Payments$3,460.1122.4 yrs$238,816
05Extra $200/Month$3,460.1124.2 yrs$184,181
06Recast with $25K$3,460.1124.5 yrs$204,433
07Standard 30-Year$3,460.1130.0 yrs$0

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How it works

You replace the 30-year loan with a new 15-year loan at 6.25%. The monthly payment jumps, but the loan is gone in half the time and total interest drops dramatically.

Assumptions

Illustrative 15-year refinance at 6.25% on the full current balance. No closing costs, points, or fees included — real refinances carry thousands in costs that change the math. Rate availability depends on credit, market conditions, and lender approval.

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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.