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 Data Thieves from Outer Space Learn about the dangers of internet fraud with this highly educational and fun “pulp” comic. What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month. Creative Ways to Motivate Your Employees Five creative (and inexpensive) ideas for motivating your employees.