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 Tax Efficiency in Retirement What role would taxes play in your investment decisions? How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.