Working capital management is important part in firm financial management decision.It relates to the operating investment of a firm. Improper management of Working capital may suffer firms, so an optimum level of working capital is the key to a smooth inflow of profit. The purpose of this study is to establish a relationship that is of statistical significant between profitability, the cash conversion cycle and its components (Number of days Accounts receivables, Number of days Accounts payables and Number of days Inventory). This book provides a comprehensive framework that helps to understand working capital in a comprehensive approach, linking operating decisions to their financial implications and to the overall business strategy.