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 Question Thank you! Oops! Related Content Are Alternative Investments Right for You? With alternative investments, it’s critical to sort through the complexity. What’s Your Investment IQ? You make decisions for your portfolio, but how much do you really know about the products you buy? Try this quiz When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits.