Debt Payoff Calculator
Enter your debts, choose a payoff method, and see exactly when you will be debt-free. Compare snowball vs avalanche side by side.
How the debt snowball and avalanche methods work
Both methods follow the same basic idea: make minimum payments on all your debts, then throw every extra dollar at one specific debt until it is gone. The difference is which debt you target first.
With the snowball method, you target the smallest balance first. Once that debt is paid off, you roll its payment into the next smallest balance. You build momentum with each debt you eliminate. The wins come fast, and that momentum matters more than most people expect.
With the avalanche method, you target the debt with the highest interest rate first. This is the mathematically optimal approach because you eliminate the most expensive debt before it can compound further. You pay less in total interest, but the first payoff may take longer.
Which method is better?
The avalanche method saves more money. That is a mathematical fact. If you have a $5,000 credit card at 22% and a $2,000 personal loan at 8%, the avalanche method attacks the credit card first and saves you more in interest charges.
But the snowball method has something the avalanche does not: psychology on its side. A study from the Kellogg School of Management at Northwestern University found that people who focused on paying off small debts first were more likely to eliminate all their debt. The quick wins created a sense of progress that kept them going.
The best method is the one you will stick with. If you are the type of person who needs to see results quickly, go snowball. If you are disciplined and the interest savings motivate you, go avalanche. Both are vastly better than making only minimum payments.
Tips for paying off debt faster
Automate your extra payments. Set up an automatic transfer on payday so the extra payment happens before you can spend it. Willpower is unreliable. Automation is not.
Use windfalls wisely. Tax refunds, bonuses, side hustle income, and birthday money can accelerate your payoff timeline by months. Even putting half of a windfall toward debt makes a real difference.
Stop adding new debt. This sounds obvious, but it is the most common reason payoff plans fail. Put the credit cards away or freeze them (literally - in a bag of ice) while you are paying them down.
Negotiate your rates. Call your credit card companies and ask for a lower rate. If you have a good payment history, many issuers will reduce your APR by 2-5 percentage points. That reduction goes directly to paying down your balance faster.
Teaching your kids about debt
The best way to teach kids about debt is to show them you are working to eliminate yours. Children learn financial habits by watching their parents, not by hearing lectures. When they see you making a plan and sticking to it, that is the lesson.
Once they are old enough to understand interest, show them how it works against you with debt. Use the compound interest calculator to demonstrate how a borrowed amount grows over time when interest is added. Then flip it around and show how the same math works in their favor when they save.
Build saving habits early
The Kids Budget Planner teaches children to allocate their money into saving, spending, and giving before they spend it. Ages 8-14.
Open Kids Budget PlannerKids who grow up with saving and budgeting habits are far less likely to fall into debt as adults. Giving your child practice with money management now is one of the most valuable things you can do for their financial future.
Frequently Asked Questions
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The avalanche method saves you more money because you eliminate high-interest debt first. The snowball method gives you quick wins that keep you motivated. Research from Northwestern University found that people using the snowball method were more likely to finish paying off all their debt. Pick the one you will actually stick with. If motivation is your biggest challenge, go snowball. If you are disciplined and want to minimize interest, go avalanche.
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Even an extra $50 per month can shave months or years off your payoff timeline. The right amount depends on your budget. Use the <a href="/learn/saving/50-30-20-calculator/">50/30/20 calculator</a> to find how much of your income should go to debt repayment. Anything beyond minimum payments in your "savings" bucket can go toward extra debt payments. The more you can put toward it, the faster you are free.
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Build a small emergency fund first - most experts suggest $1,000 to $2,000. Without that cushion, any unexpected expense forces you back into debt. Once you have that buffer, throw everything extra at your debt. After the debt is gone, build your emergency fund up to 3-6 months of expenses. The math favors paying off high-interest debt over saving in a low-yield account, but the emergency fund prevents backsliding.
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Keep it concrete. "When you borrow money, you have to pay back more than you borrowed. That extra part is called interest." Use a simple example: "If you borrowed $10 from a friend and had to pay back $11 next week, that extra dollar is interest." Show them how the <a href="/learn/investing/compound-interest/">compound interest calculator</a> works in reverse - interest working against you instead of for you. Kids understand fairness, so frame it as the cost of using someone else's money.