Debt Payoff Calculator – Avalanche vs Snowball
Your Debts
Payoff Date
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Total Interest Paid
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Total Amount Paid
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Month-by-Month Payoff Schedule
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How to Use the Debt Payoff Calculator
This Debt Payoff Calculator helps you create a personalized plan to become debt-free. Add all your debts — credit cards, personal loans, student loans, car loans, or any other obligations — with their current balance, interest rate, and minimum monthly payment. Then choose between the Avalanche or Snowball method, and optionally add an extra monthly payment amount to accelerate your payoff.
The Avalanche method directs your extra payment toward the debt with the highest interest rate first. Once that debt is paid off, its minimum payment and your extra payment roll over to the next highest-rate debt. This approach minimizes the total interest you pay over the life of your debts, saving you the most money mathematically. The Snowball method, popularized by Dave Ramsey, targets the smallest balance first for faster psychological wins that build momentum.
The calculator displays your estimated payoff date, total interest paid, and a month-by-month amortization schedule showing exactly how each payment is allocated across your debts. The visual chart tracks each debt's declining balance over time, making it easy to see your progress toward becoming completely debt-free. Use the share button to save your plan or share it with an accountability partner.
Frequently Asked Questions
What is the difference between the Avalanche and Snowball methods?
The Avalanche method prioritizes paying off debts with the highest interest rate first, which minimizes total interest paid over time. The Snowball method prioritizes the smallest balance first, providing quicker psychological wins as debts are eliminated faster. Both methods require making minimum payments on all debts while directing extra funds to the priority debt.
How can I pay off debt faster?
To pay off debt faster, consider increasing your monthly payments even by small amounts, using the Avalanche method to reduce interest costs, consolidating high-interest debts, cutting discretionary spending to free up cash, and applying windfalls like tax refunds or bonuses directly to debt. Even an extra $50-100 per month can shave months or years off your payoff timeline.
Why are minimum payments a trap?
Minimum payments are designed to keep you in debt as long as possible. On a typical credit card, making only minimum payments means most of your payment goes toward interest rather than principal. A $5,000 balance at 20% APR with 2% minimum payments would take over 30 years to pay off and cost more than $12,000 in interest alone.
How do I estimate my debt-free timeline?
Enter all your debts into this calculator with their balances, interest rates, and minimum payments. Choose your preferred method (Avalanche or Snowball), and optionally add extra monthly payment amounts. The calculator will show your exact payoff date and a month-by-month schedule. Adjust your extra payment amount to see how it impacts your debt-free date.