Credit card APRs in India typically run 36-46% per year — among the highest interest rates of any consumer credit product. Even modest balances can take years to clear when paying only the minimum, and the total interest often exceeds the original spend. This calculator shows exactly how long your debt will take to clear at a given monthly payment, and how much faster a higher payment gets you out.
What is Credit Card Payoff?
Credit card debt compounds monthly. The interest charged each month is added to the balance, and next month's interest is computed on the new, larger balance. Paying only the 'minimum due' (typically 5% of the balance) means most of your payment goes to interest in the early months — the principal barely moves.
The good news: credit card debt is unsecured, has no prepayment penalty, and any payment above the minimum goes 100% toward principal once the month's interest is covered. Doubling your monthly payment doesn't just halve the time to payoff — it dramatically reduces the total interest paid because you starve the compounding earlier.
How payoff is calculated
Each month, interest is charged on the outstanding balance, then your payment is subtracted. The remaining balance carries to the next month. This continues until the balance hits zero. The number of months to reach zero depends almost entirely on how much your monthly payment exceeds the monthly interest charge.
If your payment is less than the monthly interest, the balance grows forever — you can never escape. If it just covers interest, you make no progress. Anything above the interest cuts into principal and starts the clock.
- B
- Outstanding balance—current credit card debt
- r
- Monthly interest rate—annual APR / 12 / 100
- P
- Monthly payment—amount you pay each month
- n
- Months to payoff—rounded up to nearest whole month
How to use this calculator
Enter your current outstanding balance
Use the latest statement balance, not the credit limit. If you are carrying multiple cards, run the calculator separately for each — the math compounds independently per card.
Enter the APR (annual interest rate)
Indian credit cards typically charge 36-46% APR on revolving balances. Check your card's terms — the headline rate may understate the effective rate once GST and joining/processing fees are included.
Enter the monthly payment you plan to make
If you know it, use the actual rupee amount. Otherwise start with the 'minimum due' (usually 5% of balance) and increase to see how the payoff timeline shrinks. Even a 50% increase in payment often cuts payoff time by more than half.
Read the months-to-payoff and total interest
The calculator shows exactly when the debt clears at the current pace, and how much interest you pay along the way. Compare this number to your card's principal — if interest exceeds principal, you are paying more in financing cost than for your original purchases.
When to use it
Choosing between minimum due and higher payment
Run the calculator twice — once at the minimum (5% of balance) and once at a payment you can actually afford. The interest savings are usually large enough to justify reallocating other discretionary spending.
Deciding whether to take a personal loan to pay off the card
Personal loan rates are typically 11-18%, far below credit card APRs. If a personal loan can clear the card, you usually save 30-60% of total interest. This calculator gives you the credit-card baseline; compare against an EMI calculator at the loan rate.
Avoiding the minimum-due trap
Paying only the minimum on a ₹1 lakh balance at 42% APR can take 8-10 years and cost over ₹1.5 lakh in interest — more than the original spend. The calculator makes this stark in numbers, often more motivating than abstract advice.
Common mistakes to avoid
Continuing to spend on the card while paying it down
Every new purchase compounds at the same APR. Stop using the card entirely until the balance is cleared, even if it means using a debit card or UPI for a few months.
Using the 'EMI conversion' option without doing the math
EMI conversion sounds cheap (12-16%) but often comes with a one-time processing fee that can equal 1-3 months of regular interest. Sometimes worth it, sometimes not — calculate both before clicking yes.
Paying off one card and immediately running it back up
Behavioural problem, not a math problem. Cut the card, freeze it in a literal block of ice, or downgrade to a debit card while you build the habit of zero balances.
Frequently asked questions
What is APR and how does it differ from the monthly rate?
What happens if I only pay the minimum due?
Should I take a personal loan to pay off the card?
How is GST charged on credit card interest?
Does paying on the due date vs early matter?
Is credit card EMI conversion cheaper than carrying a balance?
References
- RBI guidelines on credit card billing and interest— Reserve Bank of India