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 The Latte Lie and Other Myths Check out this video to begin separating fact from fiction. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage.