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 Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. SECURE Act 2.0: An Overview The second iteration of the SECURE Act brings forward several changes to the world of retirement.