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 Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics. Lifetime of Earnings Estimate how much you have the potential to earn during your working years.