RESTROOM CALCULATOR
Special Events Restroom Calculator for portable restrooms, Basic Units, ADA handicapped, fresh flush, VIP, presidential suites, shower trailers, single, double, triple, quad portable trailers available from Star Sanitation Services. Serving agricultural and special events in California and Arizona.
Restroom Needed for Construction Sites
Employees Restroom Needed Hours Worked per Week
1-10 1 40
11-20 2 40
21-30 3 40
31-40 4 40
Over 40 +1 for each additional 40
10 employees
Restroom Needed for Construction Sites
Under normal conditions most people will use sanitation facilities once every four hours. Use these tables a guide - then contact use.
Determine how many hours the event will last, if it is multiple days use the longest day.
Determine how many people will attend, if there are multiple days determine the peak day.
Use the chart to calculate the number of portable restrooms needed for adequate sanitation conditions.
Hours
Attendees 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
0-50 1 1 1 2 2 2 2 2 2 2
51-100 2 2 2 2 3 3 3 3 3 3
101-250 3 3 3 3 4 4 4 4 6 6
251-500 4 4 4 6 6 6 8 8 8 8
501-750 4 4 6 6 6 8 8 8 10 10
751-1,000 6 6 6 8 8 8 12 12 12 12
2,000 8 8 8 8 8 12 12 12 12 16
3,000 8 12 15 16 18 18 18 19 20 21
4,000 10 16 18 22 24 25 25 27 27 28
5,000 12 20 24 27 29 31 32 34 35 35
6,000 14 24 28 33 35 37 37 39 40 42
7,000 18 28 34 38 40 42 46 46 48 48
8,000 20 32 38 44 48 50 50 50 52 54
9,000 22 32 42 48 52 54 54 56 58 64
10,000 24 38 48 54 58 62 64 66 68 72
Note: If alcohol is being served, add 15-20% more restrooms. If there is higher percentage of women to men please add 15-20% more restrooms. Add one handicap restroom per 20 portable restrooms, or a minimum of one for events open to the public. Adequate hand washing should also be provided with restrooms in all food service areas.