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 When Does Your Personal Car Become a Commercial Vehicle? At what point can you call a personal vehicle commercial? What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock. Investments You’ve made investments your whole life. Work with us to help make the most of them.