← All Extra $500/Month calculations

Extra $500/Month on a $400K mortgage at 2.5%

Add $500 to principal with every monthly payment. Monthly principal & interest: $1,580.48.

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

Time to payoff20.5 yrs
Years saved9.5
Interest saved$57,403
Total interest$111,571

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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$3,429.6915.0 yrs$-48,370
02Extra $500/Month$1,580.4820.5 yrs$57,403
03$5,000 Yearly Lump Sum$1,580.4821.9 yrs$49,120
04Extra $200/Month$1,580.4825.3 yrs$28,984
05Bi-Weekly Payments$1,580.4826.7 yrs$20,613
06Recast with $25K$1,580.4827.4 yrs$24,954
07Standard 30-Year$1,580.4830.0 yrs$0

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How it works

Every month, on top of your required payment, you send an extra $500 earmarked for principal. For many households this is the sweet spot between meaningful acceleration and a livable budget.

Assumptions

An extra $500 applied to principal with each scheduled monthly payment, starting month one.

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For USA residents only

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.