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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Don't Buy The Hype There are a lot of misconceptions about Social Security. Here’s the truth about three of them. When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Retirement Plan Distributions There are a number of ways to withdraw money from a qualified retirement plan.