Mortgage Rate Change Calculator

Use our Mortgage Rate Change Calculator to see how a different interest rate changes the rest of your mortgage — after an adjustable-rate reset, or before you take a refinance or rate offer.

Enter what you still owe, the time left and your current rate. Compare two rates shows the new monthly payment, how much it changes each month and each year, and the difference in interest over the time remaining, with a rate table of payments at rates around the new one.

Rate for a target payment works the other way: enter the monthly payment you’re aiming for, and the calculator finds the highest rate that keeps you at or below it.

The figures are principal and interest only, over the same remaining term. To include refinance fees and see when they pay for themselves, use our Loan Refinance Calculator.