How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Fixed or Variable Mortgage, Which Should You Pick? When selecting a mortgage, one of the most critical choices is between a fixed or variable interest-rate mortgage. How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain. The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge.