Free Calculator
Debt Payoff Calculator:
Snowball vs Avalanche
See exactly when you'll be debt-free and how much interest you'll save with each strategy.
Your Debts
| Debt Name | Balance ($) | Rate (%) | Min. Payment ($) |
|---|
This gets applied on top of all minimum payments using whichever strategy you choose.
$
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Comparison Results
Snowball Method
Pay lowest balance first — builds momentum
Payoff Date
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Total Months
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Total Interest
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Total Paid
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Avalanche Method
Pay highest interest rate first — saves most money
Payoff Date
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Total Months
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Total Interest
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Total Paid
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| Month | Focus Debt | Payment | Principal | Interest | Remaining |
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| Month | Focus Debt | Payment | Principal | Interest | Remaining |
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Which Method Is Right for You?
Choose Snowball If…
- ✓ You feel overwhelmed and need quick wins to stay motivated
- ✓ You've struggled to stick with payoff plans in the past
- ✓ Your smallest debts have similar interest rates to larger ones
- ✓ You're paying off 4+ separate accounts and want to simplify
- ✓ The psychological reward of crossing debts off matters to you
The science: Research from Harvard Business Review found that people paying smallest balances first were more likely to eliminate debt entirely — even if it cost more.
Choose Avalanche If…
- ✓ Minimizing total interest paid is your top priority
- ✓ You're disciplined and don't need early wins to stay on track
- ✓ You have one or two high-APR debts (20%+) dragging you down
- ✓ You can see the long-term math and trust the process
- ✓ You want to optimize every dollar of your repayment plan
Bottom line: Avalanche is mathematically optimal. The difference can be hundreds or even thousands of dollars saved in interest — especially with high-APR credit card debt.
Can't Decide? Use a Hybrid Approach.
Start with snowball to knock out your smallest 1–2 debts fast, then switch to avalanche for the rest. You get the psychological boost and math advantage. Many financial coaches recommend this approach for people who are new to structured debt payoff.