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 What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA. From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. Silver Sneakers 101 Medicare’s popular program, offering free gym membership and health education.