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 The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls. Money Draining Food Myths These food myths will really put a drain on your wallet. Where Will Your Retirement Money Come From? Retirement income may come from a variety of sources. Here's an overview of the six main sources.