Credit Card Payoff Calculator - Calculator See


Credit Card Payoff Calculator

Calculate how many months and how much total interest you will pay to eliminate credit card debt with fixed payments.

Calculator Inputs

$
Total debt.
%
Annual interest rate.
$
Fixed payment every month.

Calculated Results

Time to Debt Freedom
33 Months (2.8 Years)
Total Interest Paid $1,489.12
Total Cash Paid Out $6,489.12
Interest-to-Principal Ratio 29.78%
Values calculate live as you adjust inputs.

About Credit Card Payoff Calculator

Calculates exact repayment timeline and cumulative interest paid when committing a fixed dollar amount to card balances.

What is Credit Card Payoff Calculator?

Calculates exact repayment timeline and cumulative interest paid when committing a fixed dollar amount to card balances.

How to Use This Calculator

  1. Enter current credit card balance.
  2. Enter APR percentage.
  3. Enter target monthly fixed payment.
  4. Review payoff months and total interest.

The Mathematical Formula & Variables

N = -ln(1 - (r * Balance) / PMT) / ln(1 + r)

Step-by-Step Worked Example

Scenario: $5,000 balance at 21% APR paying $200 per month.

  1. r = 0.21 / 12 = 0.0175.
  2. Payoff formula solves to 32.5 months -> 33 months.
  3. Total payments = 33 * $200 = $6,600 (adjusting last payment).
  4. Total interest = $1,489.12.

Result: 33 Months ($1,489.12 interest)

Frequently Asked Questions

What happens if monthly payment is less than monthly interest?

The balance enters negative amortization and will grow indefinitely because the payment is insufficient to cover the finance charges.