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 How Income Taxes Work A quick look at how federal income taxes work. Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. A Decision Not Made Is Still a Decision Investors who put off important investment decisions may face potential consequence to their future financial security.