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 Understanding the SECURE Act 2.0 A timeline covering a few of the major provisions of the SECURE Act 2.0. When Do You Need a Will? When do you need a will? The answer is easy: Right Now. What Smart Investors Know Savvy investors take the time to separate emotion from fact.