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. Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. An Inside Look at Retirement Living A number of questions and concerns need to be addressed to help you better prepare for retirement living.