How many toilets does your event need?
The ratio every event plan is judged on, answered in ten seconds. Slide your guest count, tell us about the bar, done.
Get the whole list for your event: toilets, power, trackway and the items nobody warns you about.
Done. Watch your inbox: your kit list is on its way.
That did not send. Try again, or email [email protected].
The UK event planning ratio is 1 toilet per 75 guests for events without alcohol, tightening to 1 per 50 guests where alcohol is served, with a minimum of two units. Add one accessible unit per ten standard units (minimum one). Multi-day events need a daily servicing plan on top.
The ready reckoner
| Guests | No alcohol | With alcohol | Accessible |
|---|---|---|---|
| 50 | 2 | 2 | 1 |
| 100 | 2 | 2 | 1 |
| 150 | 2 | 3 | 1 |
| 200 | 3 | 4 | 1 |
| 300 | 4 | 6 | 1 |
| 500 | 7 | 10 | 1 |
| 1000 | 14 | 20 | 2 |
Why the bar changes the maths
Alcohol roughly doubles visit frequency, and it concentrates visits into surges: the toast, the band break, last orders. That is why the ratio tightens from 1-per-75 to 1-per-50 the moment a bar opens, and why urinal banks earn their place at beer-led events.
These are the same ratios our portable toilet hire guide covers in full, including luxury trailer sizing and servicing schedules for multi-day events.
Toilet numbers: quick answers
How many toilets do I need for 100 guests?
With alcohol served: 2 standard units plus 1 accessible. Without alcohol: 2 plus accessible. The ratio is 1 per 50 guests with alcohol, 1 per 75 without, always with a minimum of two standard units so there is never a single queue.
How many toilets for 200 wedding guests?
A 200-guest wedding with a bar needs 4 standard units plus 1 accessible, or a luxury 3+1 trailer plus one standard backup. All-day events should add a service visit or extra capacity.
Are these ratios a legal requirement?
They are the industry planning ratios that licensing teams and event management plans expect to see, drawn from established event guidance. For licensed events your local authority may specify numbers as a condition, and they will look very like these.
Do I need an accessible toilet at a small event?
Yes: plan at least one accessible unit at any public event, on firm level ground with a clear approach. For private parties it remains the decent default, and it doubles as the parent-and-baby option.
What about urinals?
At beer-led events, a 4-bay urinal unit relieves pressure on cubicles dramatically: one 4-bay counts roughly as two standard units for male guests. Festivals typically split provision 60/40 between cubicles and urinals.