Credit Card Payoff Calculator
Calculate how long it takes to pay off credit card debt and total interest paid. Compare minimum payments vs fixed payments vs accelerated payoff strategies.
💳 Finance📐 Months to Payoff = ln(Payment/(Payment-Balance x r)) / ln(1+r)
Current balance ($)
Annual interest rate (APR %)
Monthly payment ($)
Extra monthly payment ($)
Please enter valid values.
Formula & Reference
| Variable | Formula | Units |
|---|---|---|
| Credit Card Payoff Calculator | Months to Payoff = ln(Payment/(Payment-Balance x r)) / ln(1+r) | months |
Step-by-Step Examples
Example 1
$8.5K at 22%
$8,500, 22% APR, $250/month, +$100 extra.
- Fixed $250: 46 months, $3,071 interest
- Extra $350: 30 months, $1,985 interest
- Extra $100 saves 16 months and $1,086
✓ 46 mo vs 30 mo with extra $100
Example 2
Minimum Only
$5,000, 20% APR, 2% minimum ~$100.
- Minimum: 79 months (6.6 years), $2,919 interest
- Fixed $200: 31 months, $1,077 interest
✓ Never pay just minimum!
Example 3
Small Balance
$1,500, 19%, $100/month.
- Fixed $100: 18 months, $239 interest
- $200: 8 months, $100 interest
✓ 18 vs 8 months
Real-World Applications
Credit Card Holders
See the real cost of carrying a balance and plan your payoff.
Financial Advisors
Illustrate the high cost of credit card interest to clients.
Banks
Show customers the benefit of higher payments.
Debt Counselors
Calculate payoff timelines for debt management plans.
Common Mistakes to Avoid
⚠️
Paying just the minimum
Minimum payments (typically 1-2% of balance) are designed to maximize interest paid. On $8,500 at 22%, minimum payments take 7+ years and cost $4,000+ in interest.
⚠️
Not considering the avalanche vs snowball method
Avalanche: pay highest-rate card first (saves most money). Snowball: pay smallest balance first (motivational wins). Both beat minimum-only payments significantly.
⚠️
Adding new charges while paying down
Adding new charges while trying to pay off debt is running backward on a treadmill. Temporarily freeze card use while aggressively paying down the balance.
Frequently Asked Questions
Average credit card interest rate? ▾
US average: approximately 22-27% APR (2024). Rewards cards tend to have higher rates. 0% intro APR cards can help for balance transfers if you pay off before the promotional period ends.
How to pay off credit card debt fast? ▾
Stop adding charges. Pay more than the minimum - at least double. Consider balance transfer to 0% APR card. Avalanche method (highest rate first) minimizes total interest. Look for ways to increase income or cut expenses.
Is a balance transfer worth it? ▾
A 0% intro APR balance transfer can save hundreds in interest if you pay off the transferred balance before the promotional period (typically 12-21 months). Watch for transfer fees (3-5%) and the go-to rate after the intro period.
What is the avalanche method? ▾
Pay minimums on all cards except the highest-rate card, which gets all extra payments. Once the highest-rate card is paid off, redirect those payments to the next highest rate. Mathematically optimal for minimizing total interest.
What is the snowball method? ▾
Pay minimums on all cards except the smallest balance, which gets all extra payments. Creates psychological wins as cards are eliminated. Slightly more total interest than avalanche but often more motivating.