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 My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. Commitment and Money Conversations Talking about money isn’t as scary as it seems. From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history.