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 Buying Auto Insurance For Teen Drivers Tips on insuring your teen driver. Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. Important Birthdays Over 50 Here's a look at several birthdays and “half-birthdays” that have implications regarding your retirement income.