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 Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. Should I Buy or Lease an Auto? This calculator compares the financial impact of leasing versus buying an automobile. Forecast This short video helps explain why markets can be as unpredictable as the weather.