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 What Smart Investors Know Savvy investors take the time to separate emotion from fact. Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. Roth IRA for Kids Learn about the benefits and requirements of opening a Roth IRA for kids.