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 The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. Emotional vs. Strategic Decisions Information vs. instinct. Are your choices based on evidence of emotion?