Debt calculator
Credit Card Payoff Calculator
Estimate payoff time and interest cost for a credit card balance using APR, planned monthly payment, optional extra payment, balance-transfer fee, and promotional APR assumptions.
Last reviewed: June 10, 2026
Estimate payoff timeline
Scenario comparison
Compare the no-extra path, the planned extra-payment path, and the transfer-fee/promotional assumptions.
Payoff cost breakdown
This insight updates to compare starting balance, transfer fee, and estimated interest.
Payoff schedule preview
Shows the first 12 monthly rows for the planned payoff path.
| Month | Payment | Principal | Interest | Balance |
|---|
Yearly summary
How to read this result
Payoff time shows the modeled timeline if the same payment continues and no new purchases are added. Compare total interest with the saved-interest field to understand the effect of the extra-payment assumption.
If the payment shown by the calculator feels too high, avoid solving the problem only by lowering the payment. A smaller payment can extend the timeline and make interest a larger share of total cost. Instead, compare spending cuts, temporary extra payments, lower-rate offers, and a realistic emergency buffer so the plan is sustainable.
How the calculation works
The calculator adds any balance-transfer fee to the starting balance, applies estimated monthly interest, then subtracts the planned payment plus extra payment. The final month is capped at the remaining balance. A second scenario runs without the extra payment to estimate time and interest saved.
Worked example
If the balance is $4,500 and the total monthly payment is $230, a higher APR can add meaningful interest cost and extend payoff time compared with a lower-rate or promotional period. A transfer fee increases the starting balance, so it should be included when comparing scenarios. For a dedicated promotional-rate comparison, use the balance transfer calculator; to review balance-to-limit ratios, use the credit utilization calculator. If you want to understand why payment timing inside a billing cycle can change interest, compare this payoff estimate with the average daily balance calculator.
How to interpret the payoff timeline
The payoff time assumes the same payment is made every month and no new purchases are added. If the payment is too low to cover estimated monthly interest, the calculator warns that payoff may not progress under the simplified assumptions.
The interest-saved result compares the plan with extra payment against the same balance and APR assumptions without the extra payment. It is not a guarantee because card billing rules can vary.
What this estimate excludes
Real credit-card statements can include daily interest calculations, new purchases, late fees, annual fees, changing minimum payments, and promotional APR conditions. Use this calculator for education, then review card disclosures for exact billing rules.
FAQ
Does this handle new purchases?
No. It assumes no new charges are added while paying down the balance.
How is a balance-transfer fee handled?
The fee is added to the starting balance, increasing the amount that must be repaid.
Why does a small extra payment matter?
Extra payments reduce principal earlier, which can lower future interest and shorten the timeline.
How to read this payoff path
How to read this result
Read payoff time, total interest, and interest saved together. This page is most useful when it shows whether debt cost is driven mainly by APR, by too-small monthly payment, or by transfer-fee tradeoffs around promotional window.
Before acting, compare result with card statement, promotional APR terms, transfer fee disclosure, and any qualified guidance you rely on. See How We Calculate and the Disclaimer for more context.
Payoff accuracy check
Result quality checklist
- Payment is high enough to cover monthly interest under stated APR assumptions.
- Transfer fee is added to starting balance when promo-transfer path is modeled.
- Promotional APR and promo-month count match offer you realistically expect to receive.
- No-new-purchases assumption matches real payoff plan.
- Comparison includes at least one faster-payment path and one rate-change path.
Method and verification trail
- Method used: Month-by-month revolving-balance simulation applies promo APR when entered, then standard APR, while tracking interest, payments, and remaining balance.
- Primary source type to verify: Card statement, balance-transfer offer, promo APR terms, and fee schedule.
- What to confirm in real documents: Transfer fee percentage, promo duration, go-to APR after promo, payment allocation rules, and whether new purchases affect grace period.
- Scope limit: This page does not fully model issuer-specific posting rules, hardship plans, penalty APR, or multi-balance allocation quirks.
For site-wide methodology, review How We Calculate. For sourcing and corrections standards, review Editorial Policy.
Next payoff checks to run
Related calculators
Estimate daily interest timing with the average daily balance calculator, compare promotional transfer costs with the balance transfer calculator, check ratios with the credit utilization calculator, or prioritize multiple high-rate balances with the debt avalanche calculator.
Payoff-plan memo
Use the scenario comparison to separate three questions: how long current payment takes, how much faster extra payment could work, and whether promotional or transfer-fee assumption really improves path. A balance transfer can look attractive when promotional APR is low, but upfront fee and time limit matter. If balance is not paid before promo period ends, regular APR may become larger driver again.
Model assumes no new purchases and consistent payment. That is intentionally strict: adding charges while paying down balance can erase progress and make timeline less reliable. For practical plan, pair result with monthly budget, set payment that can survive normal expenses, and review card statement for exact billing rules.