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 The Power of Tax-Deferred Growth Why are 401(k) plans, annuities, and IRAs so popular? Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions. Estimate Your RMD Help determine the required minimum distribution from an IRA or another qualified retirement plan.