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 Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need. What to Look for in Personal Finance Apps An increasing number have been developed to help individuals with their personal finances. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates.