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 Message Thank you! Oops! Related Content 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. Investments You’ve made investments your whole life. Work with us to help make the most of them. Directors and Officers Liability Insurance Not only can D&O insurance provide financial protection, but it can help improve an organization’s decision-making.