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 Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college.