Calculator inputs
Estimate how long it may take to pay off a mortgage with a chosen monthly payment.
Enter the amount in the currency you are using. Keep the same currency across money fields.
Enter the annual percentage rate, not a decimal. For example, enter 6.5 for 6.5%.
Amount you plan to pay toward this debt each month.
Controls rounding in the displayed result only; it does not change the underlying calculation.
How this calculator works
The calculator applies interest monthly and reduces the balance by the payment until the estimated payoff point.
Use this result as a planning estimate. Real lending, payroll, tax, health or construction outcomes can vary based on official rules, local costs and personal circumstances.
Formula
Worked example
If your payment is higher than monthly interest, the calculator estimates how many months remain.
Frequently asked questions
Why use this calculator?
It gives a fast estimate and helps compare related scenarios before moving to more detailed planning.
Is the result exact?
No. Treat it as a practical estimate and verify important numbers with official sources or qualified professionals.