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 Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government. Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate. The Wild West of Data Theft Learn about cyber liability insurance in this entertaining video.