Restroom Calculator

Restrooms Needed for Events
Under normal conditions most people will use sanitation facilities once every four hours.
Please use this table as a guide.

Determine how many hours the event will last. If it spans multiple days, use the longest day.

Determine how many guests will attend. If there are multiple days, use the number of guests during peak hours/day.

 

# of Employees# of Restrooms NeededHours Worked per Week
1-10140
11-20240
21-30340
31-40440
Over 40+1 for each additional 10 employees40
 Hours
Attendees12345678910
0 – 501112222222
51 – 1002222333333
101 – 2503333444466
251 – 5004446668888
501 – 750446668881010
751 – 1,00066688812121212
2,000888881212121216
3,0008121516181818192021
4,00010161822242525272728
5,00012202427293132343535
6,00014242833353737394042
7,00018283438404246464848
8,00020323844485050505254
9,00022324248525454565864
10,00024384854586264666872