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 When Do You Need a Will? When do you need a will? The answer is easy: Right Now. A Decision Not Made Is Still a Decision Investors who put off important investment decisions may face potential consequence to their future financial security. Are You in the “Sandwich Generation?" Are you part of the "sandwich generation" that's raising your kids and caring for your parents? These insights are for you.