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Calcimator

Portable Restroom Calculator

Calculate portable restroom needs for events based on guest count, duration, alcohol service, and ADA requirements.

Inputs

Results

Standard Units

5

ADA Units

1

Handwash Stations2
Total Units6
Mid-Event Service (1=Yes)1
Placement Zones2
Estimated Rental Cost$1,100.00
Est. Total Uses1,000
How to Use This Calculator
  1. Enter Guest Count and Event Duration (hours).
  2. Toggle Alcohol Served — alcohol increases restroom usage by approximately 40%.
  3. Enter Female Attendees (%) — women's restrooms require 20-40% more units.
  4. Review Standard Units, ADA Units, and Handwash Stations needed.
  5. Order at least one ADA-accessible unit per 20 standard units per ADA guidelines.

How the result changes with Guest Count

Guest CountStandard UnitsADA Units
10,00125226
35,00187788
65,0001,625163
90,0002,250225

What each input means

Guest Count
Total number of event attendees
Event Duration (hours)
Total length of the event in hours
Alcohol Served (1=Yes, 0=No)
Alcohol increases restroom usage by 20-30%
Female Attendees (%)
Higher female ratio increases restroom demand

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Guest Count = 200, Event Duration (hours) = 4, Alcohol Served (1=Yes, 0=No) = 1, Female Attendees (%) = 50 = 4 input(s) provided
  2. Calculate Standard Units
    Standard Units
    5 = 5
  3. Calculate ADA Units
    ADA Units
    1 = 1
  4. Calculate Handwash Stations
    Handwash Stations
    2 = 2
  5. Calculate Total Units
    Total Units
    6 = 6

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