# Credit Card Payoff Calculator

> Find payoff time from a payment or the payment needed for a chosen payoff period.

Page: https://askcalculators.com/calculator/credit-card-payoff-calculator/
Definition: https://askcalculators.com/calculator/credit-card-payoff-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/credit-card-payoff-calculator/schema.json
Version: 1.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/credit-card-payoff-calculator/?balance=5000&apr=18.9&mode=payment&monthlyPayment=200

## Inputs
- balance: Card balance; type=money; required; default=5000; min=0.01
- apr: APR; type=percent; required; default=18.9; min=0; max=100
- mode: Calculate from; type=select; required; default=payment; values=payment|months
- monthlyPayment: Monthly payment; type=money; required; default=200; min=0.01; showWhen=mode:payment
- payoffMonths: Payoff months; type=number; required; default=24; min=1; max=1200; showWhen=mode:months

## Outputs
- payoffTime: Payoff time; format=text; primary
- monthlyPaymentResult: Monthly payment; format=currency
- totalInterest: Total interest; format=currency
- totalPaid: Total paid; format=currency

## Formula
Payment = balance × r ÷ [1 − (1 + r)⁻ⁿ]

Payment mode simulates the balance month by month. Interest is compounded monthly.

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.