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 Important Birthdays Over 50 Here's a look at several birthdays and “half-birthdays” that have implications regarding your retirement income. A Taxing Story: Capital Gains and Losses Understanding how capital gains are taxed may help you refine your investment strategies. The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does.