Restroom Calculator

Need an estimate for how many porta potties your event needs? Use this handy calculator! For a more specific quote tailored to your needs, call us today at 800-210-8407!

My event is estimated at attendees, for hours.
  • Will there be more women than men?
  • Will there be alcohol served?

Your Estimated Sanitation Services

Based on what you've told us, we've generated this estimate for your needs.

If you have more details or would like expert advice to make sure you get the best sanitation solution, please call us at 800.210.8407.

Estimated Standard Portable Restrooms Needed: 0
Estimated Hand Wash Stations Needed: 0
Estimated Enhanced Access Restrooms Needed: 0

Looking for a custom quote on those items?


St. Louis Dehumidifiers

St. Louis Dehumidifiers & Air Control Equipment Rentals

  • Industry leading service (urgent and reliable)
  • Variety of new equipment (for job sites of any size)
  • Simple ordering process (easy delivery and pick up)
Dehumidifier at job site

Proudly a Family-Owned Business for 30+ Years.

We’ll recommend the perfect solution for your needs!

Or call: 636.519.0507

Tell us what you need and we’ll send you a customized quote!

``On Site has been my go to for the last eighteen years. They are always on time and give us professional service. I have given them a number of different sites to set up on over the years, and they always manage well. Really have no reason to go elsewhere. Great job On Site!``

- Anthony Loyal On Site Client

☆ 4.4 / 5  59 Ratings