← All Refinance to 15-Year calculations

Refinance to 15-Year on a $750K mortgage at 9%

New 15-year loan at 6.25% — higher payment, far less interest. Monthly principal & interest: $6,430.67.

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

Time to payoff15.0 yrs
Years saved15.0
Interest saved$1,014,960
Total interest$407,521

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The 5–7 Year Alternative

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#StrategyMonthly paymentPayoffInterest saved
01Refinance to 15-Year$6,430.6715.0 yrs$1,014,960
02Bi-Weekly Payments$6,034.6721.9 yrs$453,128
03Extra $500/Month$6,034.6722.0 yrs$448,045
04$5,000 Yearly Lump Sum$6,034.6723.1 yrs$382,601
05Extra $200/Month$6,034.6725.9 yrs$232,528
06Recast with $25K$6,034.6726.1 yrs$257,316
07Standard 30-Year$6,034.6730.0 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.