← All Extra $500/Month calculations

Extra $500/Month on a $300K mortgage at 4.5%

Add $500 to principal with every monthly payment. Monthly principal & interest: $1,520.06.

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

Time to payoff18.1 yrs
Years saved11.9
Interest saved$107,916
Total interest$139,304

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$2,572.2715.0 yrs$84,212
02Extra $500/Month$1,520.0618.1 yrs$107,916
03$5,000 Yearly Lump Sum$1,520.0619.6 yrs$94,105
04Extra $200/Month$1,520.0623.6 yrs$59,438
05Recast with $25K$1,520.0625.4 yrs$58,041
06Bi-Weekly Payments$1,520.0625.6 yrs$42,051
07Standard 30-Year$1,520.0630.0 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.