Adjustable Rate Mortgage Calculator

Adjustable Rate Mortgage Calculator

Loan Amount:
Interest Rate (%):
Absolute Minimum Rate (%):
Absolute Maximum Rate (%):
Months Until First Adjustment:
Months Between Adjustments:
Rates Will:
Assumed Adjustment Rate (%):
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Adjustable Rate Mortgage Definition

Our adjustable rate mortgage calculator can help you determine the best interest rates, affordable mortgage payments and other information about an adjustable rate mortgage. This is a specific financial instrument where the interest rate can change. In turn, that will alter monthly payments and total interest paid over the loan’s full term. This calculator has been designed to help consumers get a good look at what they may possibly encounter with adjustable rate loans once they do begin looking at properties and negotiating one of these home mortgages.

Utilizing the Calculator

Our adjustable rate mortgage calculator only requires some general information to get you started.

  • Loan Amount. This is the principal amount of the loan, which is the cost of the property you are purchasing.
  • Interest Rate (%). The initial annual interest rate the lender is applying to the principle. This can fluctuate depending on lenders, market conditions, type of mortgage and the credit history of the consumer.
  • Years. Refers to the life of the loan. Common mortgage life cycles are 15 or 30 years. The shorter the loan the higher the monthly payment. The longer the loan the more you pay back in interest.
  • Absolute Minimum Rate (%). This is a detail associated with the adjustable mortgage rates which can change over the life of the mortgage.
  • Absolute Maximum Rate (%). This is a detail associated with the adjustable mortgage rates which can change over the life of the mortgage.
  • Months Until First Adjustment. Refers to the number of months that the rate will not change. After these months, the interest rate may be subject to an adjustment.
  • Months Between Adjustments. The amount of payment periods between any possible interest rate adjustments. This is usually a period of 12 months. That means at least one change a year.
  • Rates Will. Choose “Stay the Same,” “Increase” or “Decrease” based on what you know about any possible mortgage opportunity.
  • Assumed Adjustment Rate (%). As the calculator can be used to generate a series of scenarios, enter a number of expected adjustment rates to get a general idea of what to expect during the loan life.

With this provided information, the calculator will return accurate information that can be used to determine monthly payments on the life of an adjustable rate mortgage. No need to speculate or fumble with pen, paper and calculators. With our adjustable rate mortgage calculator, get approximate ideas of adjustable mortgage payments in a click. Our calculator shows monthly payments of an entire mortgage balance. A fully amortized adjustable mortgage should have a ceilinged rate. Over the life of the loan the rate can rise and fall within that ceilinged area.

The best way to utilize the calculator would be to enter the lowest possible rate of the loan and then calculate with the highest potential rate. This way you have the two most extreme possibilities for the monthly payments of an adjustment rate mortgage. You can use them to determine monthly budgets and how sudden alterations could impact everything.


Our adjustable rate mortgage calculator is a convenient and easy to use tool. Use it to estimate monthly payments and interest on an adjustable rate mortgage. Add it to your site, offering customers its ease of use and a reason to trust your site as a source of viable information.

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How to Calculate Adjustable Rate Mortgage

Let's be honest - sometimes the best adjustable rate mortgage calculator is the one that is easy to use and doesn't require us to even know what the adjustable rate mortgage formula is in the first place! But if you want to know the exact formula for calculating adjustable rate mortgage then please check out the "Formula" box above.

Add a Free Adjustable Rate Mortgage Calculator Widget to Your Site!

You can get a free online adjustable rate mortgage calculator for your website and you don't even have to download the adjustable rate mortgage calculator - you can just copy and paste! The adjustable rate mortgage calculator exactly as you see it above is 100% free for you to use. If you want to customize the colors, size, and more to better fit your site, then pricing starts at just $29.99 for a one time purchase. Click the "Customize" button above to learn more!