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 The Lowdown on Those Free Credit Scores What’s the deal with your yearly free credit report? Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program.