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Debt Payoff Calculator

Compare the debt snowball (smallest balance first) vs avalanche (highest interest first). See which saves you more money and gets you debt-free sooner.

Your debts
$
%
$
$
%
$
$
%
$

Total balance: $18,700 · Total minimum payments: $390/mo

Extra monthly payment

Apply this to the target debt each month

$590/mo

Minimums + extra

Snowball vs Avalanche

Snowball

Pay smallest balance first — quick wins
Time to debt-free3 yr 5 mo
Total interest$2,678
Total paid$21,378

Avalanche

Saves more interest
Pay highest interest first — mathematically optimal
Time to debt-free3 yr 5 mo
Total interest$2,534
Total paid$21,234
Difference: Avalanche saves you $144 in interest and 0 months vs snowball (with these debts). But snowball may keep you motivated with early wins — choose what you'll stick with.

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