Calibration is a key process in the pharmaceutical engineering field due to quality and safety requirements, and it is always a focus of audits. It is common to be on the side of caution by performing excessive calibrations to ensure the reliability of instruments and processes. However, this requires additional resource efforts that are often not adding value. Therefore, it is important to conduct a detailed analysis of processes to identify risk factors and optimize calibration intervals to maximize performance. All of this must be done with a solid strategy that can withstand scrutiny from authorities without posing risks to the company. How to maintain a balance between resources and process quality.