Figure out your debt-free date in under 2 minutes. Enter your balances, choose your strategy, and see exactly how much interest you can save, Avalanche vs Snowball, side by side.
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Debt Payoff Calculator
Debt NameBalance ($)Interest Rate (%)Min. Payment ($)
Applied on top of minimums — accelerates payoff
Your Debt Summary
Total Debt Balance
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Number of Debts
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Total Min. Payment / Mo
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Total Payment / Mo
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Avg. Interest Rate
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Extra Payment vs Minimums Only
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Minimums Only
Payoff Date—
Months to Payoff—
Total Interest Paid—
Total Amount Paid—
Monthly Payment—
You Save
Time Saved—
Interest Saved—
Extra Per Month—
With Extra Payment
Payoff Date—
Months to Payoff—
Total Interest Paid—
Total Amount Paid—
Monthly Payment—
Avalanche Method
Payoff Date—
Months to Payoff—
Total Interest—
Total Paid—
Targets highest interest rate first. Saves the most money overall.
Snowball Method
Payoff Date—
Months to Payoff—
Total Interest—
Total Paid—
Targets smallest balance first. Builds momentum by clearing debts faster.
Avalanche vs Snowball — Full Comparison
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Avalanche Method
Total Interest Paid—
Total Amount Paid—
Months to Payoff—
Payoff Date—
Snowball Method
Total Interest Paid—
Total Amount Paid—
Months to Payoff—
Payoff Date—
Avalanche Advantage
Interest Saved—
Total Cost Saved—
Months Saved—
Time Saved—
Run the calculator to see a full breakdown.
Months to Payoff
Avalanche
Snowball
Total Interest Paid
Avalanche
Snowball
Month-by-Month Breakdown +−
| Month | Avalanche Balance | Avalanche Interest | Snowball Balance | Snowball Interest |
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How to Use the Debt Payoff Calculator
- Add your debts — Select the debt type (credit card, mortgage, car loan, etc.), then enter your current balance, interest rate, and minimum monthly payment. Add as many debts as you have.
- Enter an extra monthly payment — Even $50–$100 extra per month makes a dramatic difference. The calculator shows you exactly how much time and interest you save.
- Hit Calculate Payoff — Your Debt Summary, Extra vs Minimums comparison, and full Avalanche vs Snowball results appear instantly.
- Check the Extra Payment vs Minimums box — See side by side what paying minimums only costs you vs adding your extra payment — in real dollars and months.
- Compare Avalanche vs Snowball — Both methods are calculated simultaneously. See which one wins for your specific debts, with a full breakdown of interest saved, total cost, and months saved.
- Export to Excel — Download your full month-by-month breakdown for both methods to track progress and stay accountable.
- Copy Link — Share your exact scenario with a spouse, friend, or financial advisor. The link saves all your inputs automatically.
Pro tip: After you calculate, bump your extra payment by $100 and hit Calculate again. The difference will surprise you — that’s the debt rollover effect kicking in.
Avalanche vs Snowball — What’s the Difference?
Avalanche targets your highest interest rate first. Saves the most money overall.
Snowball targets your smallest balance first. Clears debts faster and keeps you motivated.
Neither is wrong. The best method is the one you’ll stick to.