auditorium size

How Big Should An Auditorium Be? Auditorium Dimensions & Layout Dimensions can get tricky, but a good rule of thumb is arranging the size of the auditorium around the type of performance and the number of audience members you plan to seat: 200 seats: 270m2 | 2,900 ft2. 150 seats: 190m2 | 2,000 ft2. 75