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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Retiring the 4% Rule A portfolio created with your long-term objectives in mind is crucial as you pursue your dream retirement. The History of Retirement Do you know where the idea of “retirement” comes from? An Inside Look at Retirement Living A number of questions and concerns need to be addressed to help you better prepare for retirement living.