Debt Snowball Calculator
Enter up to 3 debts and an extra monthly payment. The snowball method pays the smallest balance first for maximum momentum.
100% client-side · no upload
Debt 1
Debt 2
Debt 3
Snowball Payoff Plan
Total Months
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Total Interest
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How to use the debt snowball calculator
- Enter each debt's balance, annual interest rate, and minimum payment.
- Add any extra amount you can put toward debt each month.
- The calculator sorts debts smallest-first and shows your payoff timeline.
Common use cases
- Credit cards: Knock out the small card first, then roll that payment to the next.
- Multiple loans: Compare the snowball vs. avalanche method's total interest cost.
- Extra income: See exactly how much a $100/month bonus accelerates payoff.
Related tools: Amortization Schedule · Emergency Fund Calculator · Compound Interest Calculator · All Finance Tools
Frequently Asked Questions
- Is this debt snowball calculator free?
- Yes, completely free with no signup required. All calculations run in your browser.
- Does my data leave my device?
- No. Your debt balances and financial details never leave your device.
- Does it work on mobile?
- Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.