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 Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio. Retirement Redefined Around the country, attitudes about retirement are shifting. How to Retire Early Retiring early sounds like a dream come true, but it’s important to take a look at the cold, hard facts.