ARM & Interest Only ARM vs. Fixed Rate Mortgage

Use this calculator to compare a fixed rate mortgage to two types of ARMs, a Fully Amortizing ARM and an Interest Only ARM. A fixed rate mortgage has the same payment for the entire term of the loan. An adjustable rate mortgage (ARM) has a rate that can change, causing your monthly payment to increase or decrease.


Information and interactive calculators are made available to you as self-help tools for your independent use and are not intended to provide investment advice. We cannot and do not guarantee their applicability or accuracy in regards to your individual circumstances. All examples are hypothetical and are for illustrative purposes. We encourage you to seek personalized advice from qualified professionals regarding all personal finance issues.

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