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 Surprises Making the most of surprises is a great reason to work with us. The Fed and How It Got That Way Here is a quick history of the Federal Reserve and an overview of what it does. Tax Freedom Day Assess how many days you'll work to pay your federal tax liability.