Work out toilet requirement for event instantly with clear inputs, formula shown and shareable results.
Event guidance provides about one female cubicle per 100 attendees, one male cubicle per 500 and one urinal per 150, with uplifts for long events and alcohol service. Female provision drives the total because cubicle dwell time is roughly twice that of a urinal, which is why an even split of fittings creates the familiar queues.
Female cubicles
cubicles = ceiling(female attendees / 100 x uplift)
Male provision
cubicles = ceiling(male attendees / 500 x uplift); urinals = ceiling(male attendees / 150 x uplift)
cubicles = ceiling(female attendees / 100 x uplift). Event guidance provides about one female cubicle per 100 attendees, one male cubicle per 500 and one urinal per 150, with uplifts for long events and alcohol service.
Female provision drives the total because cubicle dwell time is roughly twice that of a urinal, which is why an even split of fittings creates the familiar queues.
Enter attendees, event duration, share of attendees using female facilities, alcohol being served. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.