Start with usable square footage (not gross), subtract your feature zones — dance floor at 2-3 sq ft per guest, stage, buffet lines, bars and cake/gift tables — then divide by the square feet per guest for your setup: 12-15 for banquet rounds, 10-12 for long tables, 8-10 for theater rows, 6-8 for standing. Our step-by-step guide
how to calculate wedding venue capacity walks through the full formula with worked examples for 100, 150 and 200 guests.