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! Test Your Investment Knowledge! How much do you know about investing? Take our quiz and find out instantly. First Name Last Name Email Address Thank you! Oops! Related Content The Half Million Dollar Baby The true cost of raising a child may be far more than you expect. What Is My Risk Tolerance? This questionnaire will help determine your tolerance for investment risk. The Average American Budget Learn about the average American budget in this fun and interactive piece.