Payment Calculator
Estimate periodic payments needed to pay off a debt.
Uses standard amortization. Real cards or lenders may also charge late fees, balance transfer fees, or annual fees that are not reflected here.
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Frequently asked questions
Given a starting balance, an annual interest rate, and a target payoff term in months, it returns the level monthly payment that would clear the balance using standard amortization.
It uses the textbook amortization formula M = P * r * (1 + r)^n / ((1 + r)^n - 1), where P is the balance, r is the monthly rate (APR divided by 12), and n is the number of months.
No. The estimate only covers principal and interest. Real credit cards or lenders may add late fees, balance transfer fees, or annual fees that change the true cost.
Last updated 2026-06-03.