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 The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does. 9 Facts About Social Security There are things about Social Security that might surprise you. Avoiding Cognitive Decline Try these activities to keep your brain sharp.