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 A Fruitful Retirement: Social Security Benefit Taking your Social Security benefits at the right time may help maximize your benefit. Universal Life Insurance Universal life insurance is permanent insurance with a flexible premium. Here's how it works. Starting a Roth IRA for a Teen This early financial decision could prove helpful over time.