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 How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Insurance Needs Assessment: When You're Young and Single Even if you’re young and single, you should still consider protecting yourself. 5 Benefits of Working in Retirement Here are 5 reason why you may consider working through retirement.