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. Three Key Questions to Answer Before Taking Social Security When to start? Should I continue to work? How can I maximize my benefit? Retirement Plan Distributions There are a number of ways to withdraw money from a qualified retirement plan.