Mortgage Prepayment Simulator

Compare how extra monthly payments and annual lump sums accelerate your mortgage payoff.

Calculator Inputs

$
6.5%
1%12%
$200
$0$2000
$0
$0$20000
12month
1month360month
Base Total Interest$0
Monthly Extra Savings$0
Lump Sum Savings$0
Years Shaved0

Balance Comparison

Base PlanMonthly ExtraLump Sum
100%50%0%StartMidwayEnd

Strategy Comparison

Side-by-side payoff strategies.

StrategyMonthly PaymentTotal InterestTenureInterest Saved

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