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 Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. A New Way to Look at Your Bucket List Bucket lists don’t have to be for tomorrow. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate.