How to plan your debt payoff in 3 easy steps
- 1
Enter the balance
What you currently owe on the card or loan.
- 2
Enter the APR
The annual interest rate. The calculator uses monthly compounding.
- 3
Enter your payment
Your fixed monthly payment, and see the payoff timeline and interest.
Why use the debt payoff calculator tool from Super Utility Hub?
Credit cards and loans quietly grow with daily-compounded interest. This calculator shows the truth: exactly how many months your current payment plan takes, how much interest you will pay, and what a slightly larger payment saves.
It even warns you when a payment is too small to ever pay off the debt — the moment interest outpaces your payment.
- Processes everything in your browser — no upload servers involved
- Free forever with unlimited uses
- Works on Windows, macOS, Linux, Android and iOS
- No watermark or branding on your output, ever
Frequently asked questions
What if my payment is less than the monthly interest?
The debt would grow forever — the calculator refuses to show a payoff date and warns you instead, since no amount of time will clear it.
Is credit card interest really monthly?
Banks quote APR but compute interest daily or monthly on the average daily balance. Monthly compounding is an accurate approximation for planning.
What is the fastest strategy?
Pay the highest-APR debt first (avalanche) while making minimums on the rest. Extra payments go entirely to principal, shrinking future interest.