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 When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way. Leaving Your Lasting Legacy Want to do more with your wealth? You might want to consider creating a charitable foundation.