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 Question Thank you! Oops! Related Content Saving for College This calculator can help you estimate how much you should be saving for college. Should I Accept a Free Credit Lock? Learn the ins and outs of credit locks, freezes, and more. A Look at Whole Life Insurance Whole life insurance remains in force as long as you remain current with premiums. Here's how it works.