Debt Payoff Calculator
See when you'll be debt-free and how much interest you'll save with extra payments.
Your Debts
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$0$2,000
Total monthly: $980 (minimums + extra)
Debt-Free In
7 yrs 0 mo
84 total payments
Total Debt$48,500
Avg Interest Rate8.1%
Total Interest$9,995
Total Paid$58,495
Extra Payment Savings
Interest Saved$13,100
Time Saved5 yr 0 mo
Strategy Comparison
Avalanche
84 mo
$9,995 interest
Snowball
84 mo
$9,995 interest
Payoff Order (Avalanche)
Targeting highest interest rate first
1
Credit Card
$6,500 @ 22.9%
2
Car Loan
$14,000 @ 6.5%
3
Student Loan
$28,000 @ 5.5%
Balance Over Time
With extra payments vs. minimums only
With Extra Payments
Minimums Only
What If You Paid More?
See how different extra payment amounts change your timeline
| Extra/Month | Debt-Free In | Total Interest | Interest Saved | Time Saved |
|---|---|---|---|---|
| Minimums only | 12 yr 0 mo | $23,095 | — | — |
| +$50 | 9 yr 4 mo | $14,560 | $8,535 | 2 yr 8 mo |
| +$100 | 8 yr 4 mo | $12,198 | $10,897 | 3 yr 8 mo |
| +$200* | 7 yr 0 mo | $9,995 | $13,100 | 5 yr 0 mo |
| +$300 | 6 yr 1 mo | $8,581 | $14,514 | 5 yr 11 mo |
| +$500 | 4 yr 9 mo | $6,715 | $16,380 | 7 yr 3 mo |
| +$750 | 3 yr 8 mo | $5,297 | $17,798 | 8 yr 4 mo |
| +$1,000 | 3 yr 0 mo | $4,366 | $18,729 | 9 yr 0 mo |
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How Debt Payoff Strategies Work
Both the avalanche and snowball methods use the same core idea: pay minimums on all debts, then throw every extra dollar at one target debt. Once that debt is gone, its entire payment "rolls" into the next target — creating an accelerating payoff effect.
- Avalanche targets the highest rate — By eliminating the most expensive debt first, you minimize total interest paid. This is mathematically optimal and saves the most money over time. Best for people motivated by numbers and long-term optimization.
- Snowball targets the smallest balance — You get quick wins by eliminating entire debts faster, which creates psychological momentum. Research from Harvard Business Review shows this approach keeps people more motivated, even though it costs slightly more in interest.
- Both beat minimum payments by a lot — The real enemy is paying only minimums. On a $6,500 credit card at 22.9%, minimum payments alone take 18+ years and cost $9,000+ in interest. Adding just $100/month extra cuts it to under 4 years and saves $7,000+.
Getting Out of Debt Faster
- Find extra money in your budget — Cancel unused subscriptions, cook at home more, negotiate bills (insurance, phone, internet). Even $50-100/month extra makes a dramatic difference over time.
- Use windfalls wisely — Tax refunds, bonuses, gifts, side hustle income — direct 100% of unexpected money toward debt. A $3,000 tax refund applied to your highest-rate debt saves hundreds in interest.
- Consider balance transfer cards — If you have good credit, a 0% APR balance transfer card (typically 12-21 months) lets you pay down principal without interest accruing. Watch for transfer fees (usually 3-5%).
- Don't add new debt — The payoff plan only works if you stop adding to the pile. Cut up credit cards if necessary, switch to cash or debit, and build a small emergency fund ($1,000) to avoid charging emergencies.
- Celebrate milestones — Each debt you eliminate is a victory. Mark it, celebrate it (cheaply), and use that energy to attack the next one. The snowball effect is real — psychologically and financially.