Credit Card Payoff Calculator
Find out exactly how long it takes to pay off your card balance and how much interest you will save.
Input Error
Please review the highlighted values.
$
Total credit card balance to eliminate
%
Purchase APR shown on your card statement
$
Fixed amount you plan to pay each month
Results
Time to Zero Debt
32 Months
Total Interest Paid$1,979
Total Amount Paid$7,979
Original Balance$6,000
Time in Years2.7 Years
Assumes no additional purchases are made on the card while paying off the balance.
How credit card amortization works
Credit cards represent unsecured revolving credit where interest accrues daily on outstanding balances. Each monthly payment is applied first toward billing charges and accrued interest, with only the residual cash reducing principal:
1. Monthly Periodic Rate: r = Annual Interest Rate (APR %) ÷ 12 ÷ 100
2. Accrued Monthly Interest: It = Outstanding Balancet × r
3. Payoff Duration Formula: n = −ln[ 1 − (r × P ÷ PMT) ] ÷ ln(1 + r)
4. Solvency Requirement: Monthly Payment (PMT) > Initial Monthly Interest (P × r)
5. Total Financing Outflow: Total Paid = PMT × n
6. Cumulative Interest Burden: Total Interest = Total Paid − Original Balance (P)
Step-by-Step Worked Example (Default Scenario)
Consider an outstanding credit card balance of $6,000 at an APR of 22.00% (1.83% per month) with a fixed payment of $250 per month:
| Payoff Metric / Milestone | Calculation / Methodology | Computed Output | Financial Consequence |
|---|---|---|---|
| Starting Balance (P) | Current statement balance | $6,000 | Principal subject to 22% annual finance charges. |
| Monthly Interest Rate (r) | 22.00% ÷ 12 | 1.83% / Month | Compounds to a 24.36% effective annual rate (EAR). |
| Planned Monthly Payment (PMT) | Fixed commitment | $250 / Month | Above the Month 1 interest of $110, so the balance falls every month. |
| Month 1 Breakdown | Interest: $6,000 × 1.83% = $110 Principal: $250 − $110 = $140 | 44% Interest / 56% Principal | Balance drops to $5,860, lowering Month 2 interest to $107. |
| Total Payoff Duration | Amortization equation solved | 32 Months (2.7 Years) | The last payment is smaller because it only clears what is left. |
| Total Cash Paid | $250 × 31 + final payment | $7,979 | Gross cash outflow needed to clear the card. |
| Total Interest | $7,979 − $6,000 | $1,979 (24.8%) | Financing cost paid to the card issuer. |
Why Paying More Each Month Matters
- Minimum Due Only: Minimum payments shrink as the balance shrinks, so most of each payment goes to interest and repayment can take many years. See the country boxes below for how minimums are set.
- Fixed $250 Payment: Clears the debt in 32 months with $1,979 total interest.
- Accelerated $375 Payment: Clears the debt in 20 months with $1,167 total interest — $812 less.
Debt Elimination Strategies
- The Avalanche Method: Direct all surplus cash toward the highest APR card first while paying minimums on others. Mathematically minimizes total interest paid across all liabilities.
- Personal Loan Consolidation: Refinancing $6,000 at 22% APR into a 12% personal loan drops monthly interest from $110 to $60 — freeing $50/month for principal.
- 0% Balance Transfer Card: A 0% introductory APR stops interest for the promotional period (often 12–21 months), so every payment reduces principal; check the transfer fee.
Step-by-Step Worked Example (Default Scenario, India)
Consider an outstanding credit card balance of ₹1,50,000 at an APR of 36.00% (3.00% per month) with a fixed payment of ₹10,000 per month:
| Payoff Metric / Milestone | Calculation / Methodology | Computed Output | Financial Consequence |
|---|---|---|---|
| Starting Balance (P) | Current statement balance | ₹1,50,000 | Principal subject to 36% annual finance charges. |
| Monthly Interest Rate (r) | 36.00% ÷ 12 | 3.00% / Month | Compounds to a 42.58% effective annual rate (EAR). |
| Planned Monthly Payment (PMT) | Fixed commitment | ₹10,000 / Month | Above the Month 1 interest of ₹4,500, so the balance falls every month. |
| Month 1 Breakdown | Interest: ₹1,50,000 × 3.00% = ₹4,500 Principal: ₹10,000 − ₹4,500 = ₹5,500 | 45% Interest / 55% Principal | Balance drops to ₹1,44,500, lowering Month 2 interest to ₹4,335. |
| Total Payoff Duration | Amortization equation solved | 21 Months (1.8 Years) | The last payment is smaller because it only clears what is left. |
| Total Cash Paid | ₹10,000 × 20 + final payment | ₹2,02,279 | Gross cash outflow needed to clear the card. |
| Total Interest | ₹2,02,279 − ₹1,50,000 | ₹52,279 (25.8%) | Financing cost paid to the card issuer. |
Why Paying More Each Month Matters
- Minimum Due Only: Minimum payments shrink as the balance shrinks, so most of each payment goes to interest and repayment can take many years. See the country boxes below for how minimums are set.
- Fixed ₹10,000 Payment: Clears the debt in 21 months with ₹52,279 total interest.
- Accelerated ₹15,000 Payment: Clears the debt in 13 months with ₹31,013 total interest — ₹21,266 less.
Debt Elimination Strategies
- The Avalanche Method: Direct all surplus cash toward the highest APR card first while paying minimums on others. Mathematically minimizes total interest paid across all liabilities.
- Personal Loan Consolidation: Refinancing ₹1,50,000 at 36% APR into a 13% personal loan drops monthly interest from ₹4,500 to ₹1,625 — freeing ₹2,875/month for principal.
- 0% Balance Transfer Card: A 0% introductory APR stops interest for the promotional period (often 12–21 months), so every payment reduces principal; check the transfer fee.
Assumptions & Real-World Exclusions
- Zero New Transactions: The model assumes you immediately stop using the card. Any new purchases during the payoff period reset interest calculations and prolong payoff.
- Taxes and Fees Excluded: Taxes on finance charges (for example GST in India), annual fees and late fees are not included.
- Loss of Interest-Free Grace Period: Once you carry a balance from month to month, the interest-free grace period usually stops; interest can accrue on new purchases from the transaction date.
Country rules at a glance
India
- Banks cap the FOIR (fixed obligations to income ratio) at about 40–50% of net monthly income, depending on income level and lender.
- A CIBIL score of 750+ usually gets the best rates.
- 18% GST is charged on credit card interest and fees.
United States
- The 28/36 guideline: housing up to 28% and all debts up to 36% of gross income.
- There has been no fixed Qualified Mortgage DTI cap since 2022 (CFPB replaced the 43% limit with a price-based test); limits come from each loan program and lender.
- Card minimum payments are typically 1% of the balance plus interest and fees, or a fixed floor (often $25–$40), whichever is higher.
United Kingdom
- Lenders must run an FCA affordability assessment of income and committed spending before lending.
- Card minimum payments must cover at least interest, fees and 1% of the balance.
- No VAT is charged on credit interest.
Juggling multiple credit cards and personal loans?Read our strategic comparison on Debt Avalanche vs. Debt Snowball: Which Strategy Pays Off Debt Faster? to see worked multi-debt payback schedules, interest savings comparisons, and behavioral success drivers.
Frequently asked questions
What happens if I only pay the minimum due on my credit card?
Paying only the minimum due can stretch repayment over many years, because most of each payment covers interest and fees and only a small slice reduces the balance. How the minimum is set varies by country and card issuer (see the country boxes on this page).
Why are credit card interest rates (APR) so high?
Credit cards are unsecured revolving debt with no collateral. To offset higher default risk, card issuers charge far more than secured loans; typical purchase APRs differ by country, so check the rate on your statement.
What is the debt avalanche method?
The debt avalanche strategy prioritizes paying down the credit card or loan with the highest interest rate first while making minimum required payments on others. Mathematically, this minimizes total interest paid across all liabilities.
How does a balance transfer card or personal loan help?
Moving high-APR card debt to a lower-rate personal loan or a 0% introductory balance transfer card cuts the monthly interest charge, so more of each payment reduces the balance. Watch for transfer fees and the rate after the introductory period ends.
What does "insufficient payment" mean in this calculator?
If your monthly payment is less than or equal to the monthly interest accrued on your balance, the loan balance will never decline and the payoff period becomes mathematically infinite.
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Payoff Duration
32 Months