Better understanding guests’ sense of belonging can explain why some feel quite at home in museums while others would never consider visiting. To do so, we start by developing a model of belonging uniquely suited for museums and cultural institutions. Based on literature and expert interviews, it includes three elements of belonging: Inclusion, Place Belongingness and Context of the visit. This study presents an easy-to-use survey instrument designed to measure all aspects of the model. It adapts two previously published scales while introducing the Cultural Context Belonging Scale, newly