Debt Payoff Calculator
Compare snowball and avalanche strategies to crush your debt faster
Side-by-Side Comparison
See exactly how much interest each method saves you at a glance
Unlimited Debts
Add credit cards, student loans, car loans, and any other debts
Extra Payment Impact
See how putting extra money toward debt accelerates your payoff
Related Keywords & Topics
Debt Payoff Calculator
Additional amount beyond minimum payments
Your Debts
Payoff Comparison
Total Debt
$45.00K
Total Min. Payments
$650.00/mo
Avg. Interest Rate
7.11%
Avalanche Method
Saves MostPay highest interest rate first
Payoff Order:
- 1Credit Card
- 2Car Loan
- 3Student Loan
Snowball Method
Pay smallest balance first
Payoff Order:
- 1Credit Card
- 2Car Loan
- 3Student Loan
Complete Guide to Debt Payoff Strategies
What Are the Snowball and Avalanche Methods?
The debt avalanche method prioritizes debts by interest rate, paying off the highest-rate debt first while making minimum payments on everything else. This approach minimizes total interest paid and is mathematically optimal.
The debt snowball method, popularized by Dave Ramsey, targets the smallest balance first regardless of interest rate. While it may cost slightly more in interest, the quick wins of eliminating entire debts can provide powerful psychological motivation to stay on track.
Both methods share one key principle: make minimum payments on all debts, then direct every extra dollar toward a single target debt until it is gone. The freed-up minimum payment then "rolls over" to the next target, creating a snowball effect that accelerates your payoff over time.
How the Calculator Works
Monthly Interest Accrual:
Monthly Interest = Balance x (Annual Rate / 12 / 100)
Where: Balance is the current remaining balance, and Annual Rate is the APR for that debt.
Payment Allocation:
1. Apply minimum payment to each debt
2. Direct extra payment to target debt
3. When target is paid off, roll its minimum payment into extra pool
Target = highest-rate debt (avalanche) or smallest-balance debt (snowball)
Benefits of Using a Debt Payoff Calculator
Clear Payoff Timeline
Know exactly when you will be debt-free with your current payment plan instead of guessing
Interest Cost Awareness
See the true cost of debt including all interest charges over the full repayment period
Strategy Comparison
Compare avalanche and snowball side-by-side to pick the approach that fits your personality
Extra Payment Impact
Discover how even a small extra monthly payment dramatically shortens your debt-free date
Tips for Paying Off Debt Faster
Automate payments: Set up auto-pay for minimum amounts on every debt so you never miss a due date or incur late fees that add to your balance.
Use windfalls wisely: Direct tax refunds, bonuses, and side income straight to your target debt for a massive acceleration boost.
Negotiate rates: Call your credit card issuer and ask for a lower APR. Even a 2-3% reduction saves hundreds over the life of the debt. Use the EMI Loan Calculator to model the impact.
Common Mistakes When Paying Off Debt
Paying Only Minimums
Minimum payments are designed to keep you in debt for decades. On a $5,000 credit card at 22% APR with a $100 minimum, you would pay over $6,500 in interest alone. Always pay more than the minimum.
No Emergency Fund
Aggressively paying debt without a small emergency buffer (even $500-$1,000) means any surprise expense goes right back on the credit card, erasing your progress. Use our FIRE Calculator to plan your savings alongside debt payoff.
Taking On New Debt While Repaying
Adding new credit card charges or loans while executing a payoff plan undermines the entire strategy. Freeze or remove cards from online wallets during your debt-free journey. Track your net progress with the Net Worth Calculator.