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 Question Thank you! Oops! Related Content The Investment Risk No One’s Ever Heard Of You face a risk for which the market does not compensate you, that can not be easily reduced through diversification. The Value of Insuring Against Life’s Risks Building wealth requires protection from the forces of wealth destruction. When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits.