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 Questions to Consider When Buying a Vacation Home Doing your research is key before buying a vacation home. How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does.