By CalculatorInn Team · Updated: 2026-03-22 · Free & accurate · Instant results
Calculate how long it will take to pay off your credit card balance and the total interest you'll pay based on your monthly payment amount.
Interactive Credit Card Payoff Calculator
JavaScript is required for the interactive calculator. Enable JavaScript to use this tool.
n = -ln(1 - (B × r) / P) / ln(1 + r)
Where B = balance, r = monthly rate (APR/12), P = monthly payment, n = number of months.
Input: Balance: $3,000, APR: 20%, Payment: $60/mo
79 months (6.6 years), $1,741 interest
Paying the minimum dramatically extends payoff time and cost.
Minimum payments are typically 1-3% of the balance. Most of that goes to interest, so the principal barely decreases each month.
Yes. Even an extra $50/month can save thousands in interest and shave years off your payoff timeline.
Pay minimums on all cards, then put extra money toward the card with the highest APR. This minimizes total interest paid.
Fast, accurate calculators for finance, work, tech, and everyday math. Clear formulas and instant answers.
Browse 600+ free online calculators for finance, math, health, tech, business, education, salary, time, and unit conversions. Instant, accurate results with formulas and worked examples.