Calculator inputs
Estimate interest savings from extra mortgage payments.
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%.
Enter the length of the period using the unit shown in the label.
Enter the amount in the currency you are using. Keep the same currency across money fields.
Controls rounding in the displayed result only; it does not change the underlying calculation.
Result
Enter values to begin
How it works
This calculator uses the standard planning formula for the inputs shown. Change the values to compare scenarios, then check important decisions with a qualified source.
Use cases
Useful for quick planning, comparison, and checking whether a scenario is worth investigating further.