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 Money Draining Food Myths These food myths will really put a drain on your wallet. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio. Data Thieves from Outer Space Learn about the dangers of internet fraud with this highly educational and fun “pulp” comic.