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 It Was the Best of Times, It Was the Worst of Times All about how missing the best market days (or the worst!) might affect your portfolio. Tuning Your Social Security Benefit When should you take your Social Security benefit? Suddenly Single: 3 Steps to Take Now Have you found yourself suddenly single? Here are 3 steps to take right now.