Debt Snowball vs Avalanche Calculator

List your debts, add whatever extra you can throw at them each month, and see both payoff strategies head-to-head — which clears your debt faster, which saves the most interest, and the exact order each debt disappears.

Your Debts

On top of all minimums — this is what powers both strategies.

Total monthly budget

$590

$290 + $300

Snowball · smallest balance first

Debt-free in

24

2 years

Total interest$2,942

Payoff order

  1. 1Personal loanmonth 8
  2. 2Credit cardmonth 24

Total interest compared

Snowball$2,942
Avalanche$2,299

Avalanche saves $643 in interest — the mathematically cheapest route. Snowball clears your first debt in 8 months — quick wins keep you going.

Estimates for education only, assuming fixed rates, monthly compounding and a constant total budget (freed-up minimums roll into the next debt).