Debt Payoff Calculator
Compare snowball vs avalanche methods to find the fastest way to eliminate debt and save on interest.
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You will pay in interest! Consider a 0% APR balance transfer card to save thousands.
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Payoff Plan
Debt-Free Date
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Time to Payoff
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Total Interest
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Total Amount Paid
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💡 Money-Saving Tip
Principal vs. Interest Breakdown
Snowball vs. Avalanche: Which is Better?
❄️ Snowball Method
Pay off smallest debts first for psychological wins.
- ✅ Quick wins boost motivation
- ✅ See progress faster
- ❌ May pay more interest
🏔️ Avalanche Method
Pay off highest interest debts first to save money.
- ✅ Save the most on interest
- ✅ Mathematically optimal
- ❌ Takes longer to see wins
Frequently Asked Questions
What is the debt snowball method?
The debt snowball method focuses on paying off your smallest debt first while making minimum payments on larger debts. Once the smallest is paid off, you roll that payment into the next smallest debt, creating a "snowball" effect.
What is the debt avalanche method?
The debt avalanche method prioritizes paying off debts with the highest interest rates first. This saves you the most money on interest over time, making it the mathematically optimal strategy.
How can I pay off debt faster?
Increase your monthly payment amount, consider a balance transfer to a 0% APR card, negotiate lower interest rates with creditors, or use windfalls like tax refunds to make extra payments toward principal.
Should I consolidate my debt?
Debt consolidation can simplify payments and potentially lower your interest rate. Consider personal loans or balance transfer cards with 0% intro APR. Compare best personal loans here.
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Debt Snowball vs Debt Avalanche: Which Is Right for You?
Two proven methods beat minimum payments by years and thousands of dollars. One wins mathematically; the other wins psychologically.
Debt Snowball: Smallest Balance First
Pay minimums on all debts. Direct every extra dollar to the smallest balance. When paid off, roll that payment to the next smallest. Research shows this method produces higher completion rates because frequent wins build momentum and motivation.
Debt Avalanche: Highest Interest Rate First
Pay minimums on all debts. Direct every extra dollar to the highest APR debt. This always minimizes total interest paid—guaranteed. Choose this if you're disciplined and the mathematical savings matter more than psychological wins.
Real Numbers Comparison
4 debts, $500/month total payment:
| Debt | Balance | APR | Minimum |
|---|---|---|---|
| Credit card A | $800 | 22% | $25 |
| Personal loan | $3,200 | 11% | $75 |
| Credit card B | $5,500 | 18% | $110 |
| Car loan | $12,000 | 6% | $250 |
| Result | Snowball | Avalanche |
|---|---|---|
| Months to debt-free | 54 | 52 |
| Total interest paid | $4,847 | $4,289 |
| Savings with Avalanche | — | $558 |
The Minimum Payment Trap
On the same $21,500 in debts above, paying only minimums:
- Takes 12+ years to pay off (vs 4.3 years with $500/month focused payments)
- Costs $12,000+ in interest (vs $4,289 with avalanche)
- Keeps credit utilization high, continuously hurting your credit score
Balance Transfer: Slash Your Interest Rate to 0%
A 0% APR balance transfer card can dramatically accelerate payoff. Transfer high-interest balances to a card offering 0% for 15–21 months, then pay aggressively during the promo period.
Example: $5,500 at 18% APR transferred with a 3% fee ($165). Pay $305/month for 18 months—total cost $5,665 vs $8,000+ at 18% APR. Savings: $2,300+.
Finding Extra Payment Money
Budget audit: $100–$300/month
Track every expense for 30 days. Most people find $200–$400 in subscriptions, dining, and impulse purchases that can be redirected to debt.
100% windfall rule
Tax refunds, bonuses, gifts—apply 100% to your target debt. A $1,000 tax refund at month 6 of payoff saves $300–$500 in total interest.
Side income: $200/month extra
Freelancing, gig apps, selling unused items. Applied consistently to debt, $200/month extra cuts payoff time by 30–40% and saves $1,500–$3,000 in interest.
Frequently Asked Questions
Should I invest or pay off debt first?
Always capture employer 401(k) match first—that's a guaranteed 50–100% return. Then: pay off debt above 8–10% APR before investing (guaranteed savings beat uncertain market returns). For sub-6% debt, splitting between investing and extra debt payments is reasonable.
Does paying off debt improve my credit score?
Yes, especially credit card debt. Paying down revolving balances reduces credit utilization (30% of your FICO score), which can add 20–50+ points in one billing cycle. Installment loan payoffs help less immediately but show responsible credit management long-term.
Should I close paid-off credit cards?
Generally no. Closing accounts hurts utilization ratio and average account age. Keep them open with a small recurring charge on autopay. Exception: annual fee cards that no longer provide value may be worth closing despite the small credit score impact.