Square Footage	Stand-Up Cocktail	Cathedral Seating	Buffet Dinner	Sit Down Dinner
10X10	100	16-20	12-14	10
10X15	150	25-30	18-21	15
20X20	400	66-80	50-58	40
20X40	800	130-160	100-115	80
20X60	1200	200-240	150-172	120
20X80	1600	267-320	200-274	160
30X30	900	150-180	112-130	90
30X45	1350	225-270	165-190	135
30X60	1800	300-360	225-258	180
60X60	3600	500-720	450-514	360
60X90	5400	900-1080	675-772	600
60X120	7200	1200-1440	900-1030	800