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 The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. When Does Your Personal Car Become a Commercial Vehicle? At what point can you call a personal vehicle commercial? Catch-Up Contributions Workers 50+ may make contributions to their qualified retirement plans above the limits imposed on younger workers.