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Debt Avalanche Calculator
Pay off your debts efficiently by targeting the highest interest rate first to minimize total interest paid.
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Months to Debt Free
Total Interest Paid
Payoff Order
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How the Debt Avalanche Works
The debt avalanche method is a financially optimal strategy for getting out of debt. First, you list all your debts and order them from the highest interest rate to the lowest. You continue making the required minimum payments on all of your debts to avoid penalties. Then, you allocate any extra money in your budget to the debt with the highest interest rate. Once that high-rate debt is completely paid off, you take the total amount you were paying toward it and apply it to the next debt on your list. This creates a snowballing "avalanche" effect while minimizing the total interest you pay over time.
Debt Avalanche Formula
The core principle behind the debt avalanche formula is simple: higher interest rates cost you more money per dollar borrowed. By eliminating the highest-rate debts first, you reduce the principal that generates the most costly interest. Every time you eliminate a debt, your available monthly cash flow for the next debt increases by the minimum payment of the eliminated debt. Mathematically, this formula guarantees the lowest total interest paid compared to any other systematic payoff method.
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Frequently Asked Questions
What is the debt avalanche method?
The debt avalanche method is a debt payoff strategy where you pay minimum payments on all your debts, and put any extra money toward the debt with the highest interest rate. Once that debt is paid off, you take the money you were paying on it and apply it to the debt with the next highest interest rate, creating an 'avalanche' effect.
How is debt avalanche different from debt snowball?
The debt avalanche method targets the debt with the highest interest rate first, making it mathematically optimal to save the most money on interest. The debt snowball method targets the debt with the smallest balance first, giving you quick psychological wins but costing more in interest overall.
How does the extra payment work in debt avalanche?
Your extra payment goes on top of the minimum payments for the highest-rate debt. Once that debt is fully paid off, its entire payment amount (minimum + extra) rolls over into the minimum payment of the next-highest-rate debt, accelerating your payoff speed.
How long does debt avalanche take?
The time it takes depends entirely on your total balances, interest rates, minimum payments, and how much extra payment you can apply each month. This calculator will show you the exact number of months to become debt-free based on your inputs.
Is debt avalanche always better than debt snowball?
Mathematically, the debt avalanche saves more money on interest and typically pays off debt faster. However, the snowball method may suit people who need motivational wins from quick payoffs to stay on track. The 'better' method is the one you can stick with consistently.
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