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 Don't Buy The Hype There are a lot of misconceptions about Social Security. Here’s the truth about three of them. Tax Efficiency in Retirement What role would taxes play in your investment decisions? Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.