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? Thinking of Retiring Abroad? However exciting retiring abroad may sound, it deserves considerable planning. Saving for Retirement This calculator can help you estimate how much you may need to save for retirement.