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 Required Reading: The Economic Report of the President The Economic Report of the President can help identify the forces driving — or dragging — the economy. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out.