← All Extra $500/Month calculations

Extra $500/Month on a $400K mortgage at 3.5%

Add $500 to principal with every monthly payment. Monthly principal & interest: $1,796.18.

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

Time to payoff20.3 yrs
Years saved9.7
Interest saved$87,280
Total interest$159,344

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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$3,429.6915.0 yrs$29,280
02Extra $500/Month$1,796.1820.3 yrs$87,280
03$5,000 Yearly Lump Sum$1,796.1821.7 yrs$74,892
04Extra $200/Month$1,796.1825.1 yrs$44,738
05Bi-Weekly Payments$1,796.1826.2 yrs$35,636
06Recast with $25K$1,796.1827.0 yrs$40,391
07Standard 30-Year$1,796.1830.0 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.