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 Once Upon a Goal Do you know how to set up your financial goals for success? This knight does. What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits.