Debt Calculator
Calculate your total debt, minimum payments, and payoff timeline. Plan your debt repayment strategy.
Published by:
isCalculator Editorial Team
Was this calculator helpful?
How to use this tool?
Debt Calculator Guide
- Enter Total Debt ($): Input the total amount you owe (e.g., 10000). Must be a positive number.
- Enter Annual Interest Rate (%): Input the yearly interest rate on your debt (e.g., 15 for 15%). Use 0 for interest-free debt.
- Enter Monthly Payment ($): Input the fixed amount you plan to pay each month (e.g., 300). Must cover at least the monthly interest.
- Extra Monthly Payment ($) – optional: Add any additional amount you’ll pay each month (e.g., 50). Defaults to 0.
- Click “Calculate”: The calculator shows:
- Total Interest Paid: The total interest over the repayment period.
- Months to Pay Off: Number of months until debt is cleared.
- Payoff Date: Estimated month and year of full repayment.
- Note: If your monthly payment is too low to cover interest, an error appears. Increase payment or reduce debt.
Previous Results
| Result | Inputs | Date |
|---|
Frequently Asked Questions
It uses the amortization formula to compute the number of months needed to pay off your debt based on your total debt, annual interest rate, monthly payment, and any extra payments.
If your payment does not cover the monthly interest, your debt will never decrease. The calculator will show an error asking you to increase your payment.
Yes, you can enter an extra monthly payment amount. This will reduce the payoff time and total interest paid.
The payoff date is an estimate based on consistent monthly payments. Actual dates may vary due to rounding and payment timing.
