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: The 64,000 Dollar Question One of the most common questions people ask about Social Security is when they should start taking benefits. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.