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 When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. The Wild West of Data Theft Learn about cyber liability insurance in this entertaining video.