This study aimed to conceptualize the dimensioning of nursing staff, as it is understood by professionals who realize this task, and also to reveal their aim and use of estimation of nursing human resources. It is a descriptive and exploratory study with a qualitative approach analyzed through Content analysis. The definition obtained corresponds to those found in literature and, as to its aim, it serves to preview the number of professionals; to guarantee the operation of the nursing work; to attend clients' expectations regarding their needs; to provide personnel and to guarantee their allocation in the work scale. As to the use of this definition in personnel management, it provides a justification to increase staff through new contracts.
personnel downsizing; nursing; organization and administration