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. 9 Facts About Social Security There are things about Social Security that might surprise you. Retirement Plan Distributions There are a number of ways to withdraw money from a qualified retirement plan.