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 Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. How Income Taxes Work A quick look at how federal income taxes work.