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 Message Thank you! Oops! Related Content Forecast This short video helps explain why markets can be as unpredictable as the weather. Where Will Your Retirement Money Come From? Retirement income may come from a variety of sources. Here's an overview of the six main sources. How Retirement Spending Changes With Time It can be difficult for clients to imagine how much they’ll spend in retirement. This short, insightful article is useful.