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 Replacing Your Medicare Card Learn how to replace your lost, stolen, or damaged Medicare card in this helpful article. Creative Ways to Motivate Your Employees Five creative (and inexpensive) ideas for motivating your employees. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.