← All Extra $500/Month calculations

Extra $500/Month on a $1M mortgage at 8%

Add $500 to principal with every monthly payment. Monthly principal & interest: $7,337.65.

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

Time to payoff23.8 yrs
Years saved6.2
Interest saved$399,093
Total interest$1,242,459

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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For USA residents only.

#StrategyMonthly paymentPayoffInterest saved
01Refinance to 15-Year$8,574.2315.0 yrs$1,098,191
02Bi-Weekly Payments$7,337.6522.8 yrs$462,986
03Extra $500/Month$7,337.6523.8 yrs$399,093
04$5,000 Yearly Lump Sum$7,337.6524.8 yrs$335,267
05Extra $200/Month$7,337.6527.1 yrs$193,443
06Recast with $25K$7,337.6527.4 yrs$203,032
07Standard 30-Year$7,337.6530.0 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.