Whether it’s formulating the proper dosage for medicines, mixing the right color of paint, or creating the perfect spice blend, weight matters. GWP was designed to prmote consistent accuracy throughout each weighing process. GWP (Good weighing Practices) is the global weighing guideline for the management of weighing instruments. GWP is a comprehensive process designed to select the appropriate weighing equipment for any application and maintain a long life of accurate use. The GWP contains five simple steps, following the life cycle of the instrument.