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 Navigating Retirement Pitfalls Why are they made again and again? Making sense of these errors in judgement. What is the Value of Your Business? Ascertaining the value of your business is important for a variety of reasons. Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money.