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 Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two?