See exactly how extra payments accelerate payoff, identify the efficiency sweet spot, and reverse-engineer the payment needed to hit any target date.
Applied directly to your principal balance each month.
Pick when you want to be debt-free — we'll solve for the exact monthly payment.
Extra payment needed
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per month on top of base
Total monthly (P&I)
—
base + extra combined
Interest avoided
—
Time saved
—
Months to go
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Not reachable: That date is in the past or too soon. Try a later date.
Each bar = additional $100/mo. Hover for details. Green zone = high efficiency.
Apply a bonus, tax refund, or windfall to your principal at a future date.
Balance After Lump
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Interest Avoided
—
Payoff w/ Lump + Extra
—
Total Interest Avoided
vs. paying minimums only
New Payoff Date
Jan 2040
Time Saved
5.7 yrs
Remaining Interest
$125,868
Total Monthly (P&I)
$2,572
Setup automatic recurring principal transfers.
Months Ahead
+80 months
Dollar Ahead
$47,874
Your balance is $47,874 below what your original schedule predicted, putting you 6.7 years ahead of your June 2052 original payoff date.
$900/mo extra
At $900/mo, each $100 saves 6.5 months. Past this point returns fall below the average — your money may work harder elsewhere.
Auto loans are shorter-term and higher-rate — every extra dollar hits harder. Find your payoff sweet spot or pick the exact month you want your car paid off.
Extra principal payment on top of your regular bill.
Pick a date. We'll solve for the monthly extra payment needed.
Required Extra Payment
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per month extra
Interest Avoided
—
Target not reachable: This date has already passed or is too soon.
$50 increments. Auto loans accelerate faster — smaller amounts move the needle significantly.
Interest Avoided
—Payoff Date
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Months Saved
—
Remaining Interest
—
Total Monthly
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