Debt Payoff Calculator
Free debt payoff calculator: add your debts and an extra monthly budget to see when you'll be debt-free and the interest saved — snowball or avalanche.
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- ✓ Runs in your browser — nothing uploaded
- ✓ No sign-up
- ✓ Free, no limits
- 1. Credit card
- 2. Car loan
Avalanche (highest APR first) always pays the least total interest; snowball (smallest balance first) clears individual debts sooner, which some people find more motivating. Interest compounds monthly. A projection from the figures you enter — runs in your browser.
This debt payoff calculator plans your way out of multiple debts. List each one — balance, APR and minimum payment — add whatever extra you can put toward debt each month, and it simulates the payoff month by month to tell you when you will be debt-free, how much interest you will pay in total, and the order your debts get cleared.
It compares the two proven strategies. Avalanche targets the highest-APR debt first while paying minimums on the rest; because it kills the most expensive interest first, it always costs the least overall — often hundreds saved versus doing it another way. Snowball targets the smallest balance first, so you clear whole debts sooner and get visible wins, which is what keeps many people going even though it usually costs a little more interest. As each debt is cleared, its payment rolls onto the next (the debt-snowball effect), which is why the final debts fall fast.
Everything runs in your browser — your balances and rates are never uploaded — and it works offline. If your minimums do not even cover the interest, it says so, because then the balance would never fall without paying more.
Frequently asked questions
What is the difference between the snowball and avalanche methods?
Avalanche pays the highest-APR debt first and costs the least total interest. Snowball pays the smallest balance first, clearing whole debts sooner for motivation. This tool shows the months and interest for either so you can compare.
Which method saves the most money?
Avalanche, always — attacking the highest interest rate first minimises total interest. Snowball can be worth the small extra cost if the quick wins keep you consistent. Switch the strategy here to see the exact difference for your debts.
How does the extra payment help?
Anything above the minimums goes entirely to the focus debt, then rolls to the next once it's cleared. Even a small extra amount compounds into large interest savings and a much earlier debt-free date.
Are my debt figures uploaded?
No. The whole simulation runs in your browser; nothing you enter is sent to a server. You can confirm it in the Network tab or use it offline.