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 Prescription Drug Benefits Under Medicare (Part D) Do you need to enroll in Medicare Part D? Read this article to learn more about whether you need this coverage The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Getting a Head Start on College Savings A few strategies that may help you prepare for the cost of higher education.