← All Extra $500/Month calculations

Extra $500/Month on a $300K mortgage at 3%

Add $500 to principal with every monthly payment. Monthly principal & interest: $1,264.81.

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

Time to payoff18.5 yrs
Years saved11.5
Interest saved$64,228
Total interest$91,105

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$2,572.2715.0 yrs$-7,676
02Extra $500/Month$1,264.8118.5 yrs$64,228
03$5,000 Yearly Lump Sum$1,264.8119.9 yrs$55,717
04Extra $200/Month$1,264.8123.9 yrs$34,428
05Recast with $25K$1,264.8126.3 yrs$31,421
06Bi-Weekly Payments$1,264.8126.4 yrs$20,637
07Standard 30-Year$1,264.8130.0 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.