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 The Power of Compound Interest Learn how to harness the power of compound interest for your investments. When Do You Need a Will? When do you need a will? The answer is easy: Right Now. Protection Against Uninsured Drivers You’re hit by an uninsured driver. Now what? Are you protected against financial losses?