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 Retiring Wild: National Parks and You Get ready to enjoy America’s national park system with this helpful article. Understanding Equity Compensation Net Unrealized Appreciation and how it affects tax responsibilities. The Pros and Cons of an NUA Strategy Learn the advantages of a Net Unrealized Appreciation strategy with this helpful article.