💳 Credit Card Payoff Calculator
See how long it takes to clear your balance and how much interest you save by paying more than the minimum
📊 Understand the true cost of carrying a balance
Your Card Details
Enter your card details to see your payoff timeline and interest savings.
📖 Definition
A Credit Card Payoff Calculator is a financial tool that determines how long it will take to eliminate a credit card balance given a fixed monthly payment and annual percentage rate (APR). It reveals the total interest you will pay and contrasts that against the "minimum payment trap"—the scenario where paying only the required minimum keeps you in debt for years and costs far more in interest [citation:1][citation:11].
📐 Formula
The calculator uses the standard amortization formula for revolving credit. The balance evolves month by month:
Interest = Balance × (APR / 12)
Principal = Payment − Interest
New Balance = Balance − Principal
The process repeats until the balance reaches zero. The total interest is the sum of all interest charges.
📝 Example
Suppose you have a balance of $5,000 at an APR of 19.99% and you plan to pay $250 each month.
- Monthly Rate = 19.99% / 12 ≈ 1.666%
- Month 1 Interest = $5,000 × 1.666% ≈ $83.33
- Month 1 Principal = $250 − $83.33 = $166.67
- New Balance ≈ $4,833.33
🧮 Step-by-Step Calculation
Step 1: Convert APR to Monthly Rate
19.99% / 12 = 1.666% per month
Step 2: Calculate First Month's Interest
$5,000 × 0.01666 = $83.33
Step 3: Determine Principal Reduction
$250 − $83.33 = $166.67
Step 4: Update Balance and Repeat
$5,000 − $166.67 = $4,833.33 (next month's starting balance)
Result: Repeating this process shows the debt is cleared in approximately 24 months (2 years), with total interest of around $1,356. If you paid only the minimum (2%), it would take over 30 years and cost more than $12,000 in interest.
❓ Frequently Asked Questions
Q: Why is paying only the minimum so expensive?
A: Because credit card interest is charged on the remaining balance every month. The minimum payment is usually just 1-3% of your balance, so most of your payment goes toward interest, leaving very little to reduce the principal. This creates a cycle where you stay in debt for years [citation:1][citation:13].
Q: Does this calculator include new purchases?
A: No. The calculation assumes you stop using the card and make no new charges. If you continue spending, the balance will not decrease as shown, and you will lose the interest-free grace period on new purchases [citation:10].
Q: What is a good monthly payment to aim for?
A: A common goal is to pay at least 3-5% of your balance, or a fixed amount that clears the debt within 2-3 years. The calculator shows you exactly how different payment amounts affect your timeline and total interest.
Q: Can I use this calculator for multiple cards?
A: This tool calculates one card at a time. For multiple cards, you can use the "debt avalanche" method (paying highest APR first) or "debt snowball" method (paying smallest balance first) and run the calculator for each card sequentially [citation:12].
🔗 Related Calculators
🏦 Loan Calculator 📉 Debt Snowball Calculator 💸 Interest Calculator 📊 Budget Calculator