← All Extra $500/Month calculations

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

Add $500 to principal with every monthly payment. Monthly principal & interest: $1,975.60.

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

Time to payoff21.9 yrs
Years saved8.1
Interest saved$61,665
Total interest$149,553

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$4,287.1115.0 yrs$-60,463
02Extra $500/Month$1,975.6021.9 yrs$61,665
03$5,000 Yearly Lump Sum$1,975.6023.0 yrs$52,300
04Extra $200/Month$1,975.6026.1 yrs$30,039
05Bi-Weekly Payments$1,975.6026.7 yrs$25,766
06Recast with $25K$1,975.6027.9 yrs$25,278
07Standard 30-Year$1,975.6030.0 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.