This document discusses measuring service quality expectations of library users. It begins by introducing how the role of libraries and user expectations have changed. It then defines quality as meeting customer requirements now and in the future. Several tools for measuring quality are discussed, including SERVQUAL which evaluates reliability, assurance, tangibles, empathy and responsiveness, and LibQUAL which examines library as place, information control, and affect of service. Total Quality Management is also mentioned. The conclusion states it is important for libraries to understand user preferences and expectations which may differ depending on user needs.