Adjustable Rate Mortgage Calculator

Use this calculator to explore how the interest rate, minimum payment, and principal balance on your adjustable rate mortgage change over time.

You can compare the impact of best case, worst case and stable interest rate scenarios. You may also wish to compare it to the amortization schedule generated by our calculator for fixed rate mortgages. Use this calculator to enter your own information or explore the examples.

The Basics: The Floor Rate Matters   Margin Makes a Difference   Payment Shock

Interest Rate Caps are Important   Comparing Future Interest Rate Scenarios

Common Loan Types: 1/1 ARM    3/1 ARM    5/1 ARM    7/1 ARM    10/1 ARM

Other Examples: 2/28    3/27    5/25

Adjustable Rate Calculator
Loan Amount$
Loan Term years
Starting Interest Rate%
Interest Rate Index & Margin
 
Current Index %
Margin %
First Rate Adjustment
Interest Rate is Fixed for months
Maximum Rate Increase%
Subsequent Rate Adjustments
Adjustments Everymonths
Maximum Rate Increase%
Life of the Loan Limits
Minimum Interest Rate%Maximum Interest Rate%
Future Interest Rate Scenarios
Best Case
(Index Rate Goes To Zero in 2nd Month)
Stable
(Index Rate Stays Same for the Life of the Loan)
Worst Case
(Index Rate Increases to the Maximum in 2nd Month)
  = Required

 

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