← All Extra $500/Month calculations

Extra $500/Month on a $300K mortgage at 5.5%

Add $500 to principal with every monthly payment. Monthly principal & interest: $1,703.37.

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

Time to payoff17.8 yrs
Years saved12.2
Interest saved$141,840
Total interest$171,372

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$150,204
02Extra $500/Month$1,703.3717.8 yrs$141,840
03$5,000 Yearly Lump Sum$1,703.3719.3 yrs$124,170
04Extra $200/Month$1,703.3723.4 yrs$79,776
05Recast with $25K$1,703.3724.8 yrs$81,317
06Bi-Weekly Payments$1,703.3724.9 yrs$62,255
07Standard 30-Year$1,703.3730.0 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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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.