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. Related Content 16 Wall Street Cliches in 60 Seconds Pundits say a lot of things about the markets. Let's see if you can keep up. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. How Income Taxes Work A quick look at how federal income taxes work.