Compare the snowball and avalanche methods side by side. See exactly how much interest you'll save — and when you'll be free.
Your Debts
Add up to 5 debts to compare payoff strategies
$
Beyond your minimums — even $50 makes a big difference
Payoff Method
Your Debts
Debt-Free Date
—
Enter your debts and press Calculate
Total Interest
—
You'll pay in interest
Months to Go
—
Until debt-free
Interest Saved
—
vs. paying minimums only
Payoff Order
Which debt gets tackled first in your chosen method
Calculate to see payoff order
Payoff Timeline
Each bar shows when a debt gets paid off, from today to its payoff date.
Calculate above to see your visual timeline
Snowball vs. Avalanche
See which strategy works better for your specific debts.
Metric
❄️ Snowball
🔥 Avalanche
Calculate to compare methods
How to Use This Calculator
Four steps to your personalized debt payoff plan.
1
Enter Your Debts
Add each debt with its current balance, interest rate, and minimum monthly payment. Use your latest statement for accuracy.
2
Set Extra Payment
Enter how much extra you can put toward debt each month beyond your minimums. Even $50 makes a meaningful difference.
3
Choose Your Method
Snowball tackles your smallest balance first for quick wins. Avalanche hits the highest interest rate first to save the most money.
4
Compare & Plan
Review the comparison table to see which method saves more, then commit to your plan. The difference between methods is often smaller than you'd expect.
Understanding Your Results
What each number means and how to act on it.
📅
Debt-Free Date
The month and year you'll make your final debt payment, assuming you stick to the plan. Life happens — even if you miss a month, the date shifts only slightly.
💸
Total Interest Paid
How much interest accrues across all debts until they're paid off. This is real money leaving your pocket — reducing it is the goal of any payoff strategy.
🟢
Interest Saved
The difference between paying only minimums forever versus your active payoff plan. This is your reward for discipline — often thousands of dollars.
📊
Payoff Order
The sequence in which each debt gets eliminated. In snowball, you'll see smaller balances first. In avalanche, higher-rate debts appear earlier in the list.
Frequently Asked Questions
Common questions about debt payoff strategies.
The debt snowball method pays off your smallest balance first regardless of interest rate, giving you quick wins and psychological momentum. The avalanche method targets your highest interest rate first, which minimizes total interest paid mathematically. Both methods apply your extra payment to one debt while paying minimums on the rest — the only difference is which debt gets the extra money.
The avalanche method almost always saves more money because it eliminates high-interest debt faster, reducing the amount of interest that accrues. The snowball method may cost more in total interest but can be more motivating because you eliminate individual debts sooner. Use the comparison table above to see the exact dollar difference for your specific debts — sometimes it's surprisingly small.
Financial experts generally recommend directing any money beyond your minimum payments toward debt. Even an extra $50–$100 per month can significantly shorten your payoff timeline. Review your budget using the 50/30/20 rule: 50% needs, 30% wants, 20% savings and debt. Any amount you can consistently commit is better than nothing — consistency matters more than the size of the extra payment.
If your debt carries an interest rate above 6–7%, paying it off first usually beats investing, since guaranteed debt elimination outperforms uncertain market returns. However, always contribute enough to your 401(k) to capture any employer match first — that's an instant 50–100% return. Once high-interest debt is gone, redirect those payments into investments. Low-rate debt like a mortgage (3–5%) can often be carried while investing.
Missing a minimum payment typically triggers a late fee ($25–$40), may increase your interest rate to a penalty APR, and damages your credit score once the payment is 30+ days late. If you're struggling to make minimums, contact your lender immediately — many offer hardship programs, temporary forbearance, or reduced-rate arrangements. A realistic debt payoff plan helps prevent these situations by right-sizing your commitments.
Yes, in several ways. Paying off revolving debt (credit cards) improves your credit utilization ratio — balances ÷ limits — which makes up 30% of your FICO score. A lower utilization typically raises your score within 1–2 billing cycles. Paying off installment loans (personal loans, auto) also helps, though the effect is smaller. A consistent payment history, which a structured payoff plan supports, is the single biggest factor in your credit score at 35%.
Debt consolidation makes sense if you can qualify for a significantly lower interest rate than your current average, and if you have the discipline not to accumulate new debt. Balance transfer cards with 0% intro APR or personal consolidation loans can save substantial interest. However, consolidation alone doesn't fix the behavior that created the debt — combine it with a structured payoff strategy. If you can't get a lower rate, a snowball or avalanche plan on your existing debts is just as effective.