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Debt Snowball vs Avalanche Calculator

Compare the snowball (smallest balance first) and avalanche (highest rate first) methods side by side. See which saves more money and which gets you debt-free faster.

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Snowball vs Avalanche: The Debate

The Avalanche method targets the highest interest rate first, then rolls that payment into the next highest rate. This is mathematically optimal — it always minimizes total interest paid. The Snowball method targets the smallest balance first, giving you quick wins that build momentum. Research from the Harvard Business Review found that people using the snowball method are more likely to actually become debt-free because the psychological wins from eliminating accounts keep motivation high.

The difference in interest paid is often smaller than people expect. On $20,000 in mixed debt, the avalanche might save $500-$1,500 over the snowball. If that savings keeps you motivated, use avalanche. If you need quick wins, snowball is better. The worst method is the one you quit. Plan your payoff with our Debt Payoff Calculator.

The Power of Extra Payments

Regardless of which method you choose, the extra payment amount matters more than the method. Adding $200/month extra to a $20,000 debt load cuts payoff time roughly in half compared to minimums only. Even $50/month extra makes a significant difference. Where to find extra money: cancel unused subscriptions (use our Subscription Cost Calculator), redirect tax refunds to debt, sell unused items, or temporarily reduce retirement contributions to the employer match minimum while aggressively paying debt.

People Also Ask

Which method is faster?
Snowball is sometimes faster (fewer accounts to manage) but avalanche is faster when the highest-rate debt is also large. The difference is usually 1-3 months on typical debt loads.
Which saves the most money?
Avalanche always saves the most in interest because it targets the most expensive debt first. The difference ranges from hundreds to thousands depending on rate spread.
Can I combine both methods?
Yes. Some people use a hybrid: pay off one small debt first for motivation (snowball), then switch to avalanche for the remaining debts. The key is consistency.
Should I save or pay off debt first?
Build a small emergency fund ($1,000-$2,000) first, then aggressively pay debt. Without an emergency fund, every unexpected expense goes on credit cards, creating a cycle.