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 Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you. Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate. The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does.