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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content The Power of Tax-Deferred Growth Why are 401(k) plans, annuities, and IRAs so popular? Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.