← All Extra $500/Month calculations

Extra $500/Month on a $300K mortgage at 2.5%

Add $500 to principal with every monthly payment. Monthly principal & interest: $1,185.36.

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

Time to payoff18.6 yrs
Years saved11.4
Interest saved$51,486
Total interest$75,244

Every strategy ranked for this loan

Featured alternative

The 5–7 Year Alternative

Pay off your mortgage in 5–7 years instead of 30. *With qualification.

See if you qualify →

For USA residents only.

#StrategyMonthly paymentPayoffInterest saved
01Refinance to 15-Year$2,572.2715.0 yrs$-36,278
02Extra $500/Month$1,185.3618.6 yrs$51,486
03$5,000 Yearly Lump Sum$1,185.3620.0 yrs$44,600
04Extra $200/Month$1,185.3624.0 yrs$27,383
05Recast with $25K$1,185.3626.5 yrs$24,425
06Bi-Weekly Payments$1,185.3626.7 yrs$15,459
07Standard 30-Year$1,185.3630.0 yrs$0

Try your own balance & rate

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.

Want a payoff plan built for you?

Take the free quiz to see if you qualify for a structured payoff plan.

See if you qualify →

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.