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 Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. Retiring Wild: National Parks and You Get ready to enjoy America’s national park system with this helpful article. How to Make the Tax Code Work for You When you take the time to learn more about how it works, you may be able to put the tax code to work for you.