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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content The History of Currency Currency has been around for a long time. Here’s a quick history lesson. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate.