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 Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away. The Three Keys to a Great Password Have fun and learn how to craft the perfect password with the help of this highly engaging infographic. What's So Great About a Rollover? Making a career move requires tough decisions, not the least of which is what to do with the funds in your retirement plan.