My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. 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 Social Security: By the Numbers Here are five facts about Social Security that might surprise you. 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. Finding the Balance The sandwich generation faces unique challenges. For many, meeting needs is a matter of finding a balance.