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 The Basics of Medicare Learn all about Medicare basics in this informative and insightful article. RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two? When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits.