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 Message Thank you! Oops! Related Content Once Upon a Goal Do you know how to set up your financial goals for success? This knight does. The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. A Taxing Story: Capital Gains and Losses Understanding how capital gains are taxed may help you refine your investment strategies.