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. Social Security: The $64,000 Question One of the most common questions people ask about Social Security is when they should start taking benefits. Inflation & Retirement Estimate how much income may be needed at retirement to maintain your standard of living.