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 How to Bake a Pie-R-A Roth IRAs are tax-advantaged differently from traditional IRAs. Do you know how? Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look. Rollover Unused 529 Funds to a Roth IRA The SECURE Act 2.0 created a provision that allows unused funds from a 529 college savings account to rollover to a Roth IRA.