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 Question Thank you! Oops! Related Content Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? Managing the Risk of Outliving Your Money Steps to help you sustain and grow your retirement savings.