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 Traditional vs. Roth IRA One or the other? Perhaps both traditional and Roth IRAs can play a part in your retirement plans. To Catch a Thief Having your identity stolen may result in financial loss plus the cost of trying to restore your good name. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.