Multi-card payoff calculator
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Strategy
Months to debt-free
24 mo
Debt-free by Jul 2028
Total interest
$962
Vs. snowball
−$495
You save $495 staying on avalanche
You're at risk of losing your 0% APR on Card 2 — balance remaining on Nov 28, 2026: $1,640
Card
Payoff date
Interest paid
Card 1
Mar 2028
$962
Card 2
Jul 2028
$0
Calculations are estimates for educational purposes only and do not constitute financial advice. Actual payoff timelines, interest charges, and credit outcomes may vary.
FAQ
Frequently asked questions
Yes — it's free, requires no login, and nothing you type is saved or sent anywhere. All math runs in your browser.
Avalanche pays the highest-APR card first and saves the most interest. Snowball pays the smallest balance first to build momentum. The calculator shows both totals so you can pick.
If you enter a promo end date, the calculator treats the card as 0% APR until that date, then snaps to the APR you entered. If a balance remains when the promo ends, you'll get a red warning showing how much will start accruing interest.
No. Inputs live only in your browser tab. Close it and everything is gone — no account, no tracking of card details.