A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. 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 The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. How to Retire Early Retiring early sounds like a dream come true, but it’s important to take a look at the cold, hard facts.