What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month. 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 How Income Taxes Work A quick look at how federal income taxes work. Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. Required Reading: The Economic Report of the President The Economic Report of the President can help identify the forces driving — or dragging — the economy.