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?


crowd in front of portable restrooms

Why Choose On Site Companies?

We have served our clients for nearly three decades as market leaders in portable sanitation and temporary climate control, including temporary air conditioning rental in St Louis, MO. At On Site Companies, it is our incredible team that allows us to expertly and individually serve our clients. We take pride in the dignity, comfort, and capabilities we provide our clients and their workers, guests, family, and community. Our range of portable porta potty rentals allows us to supply your job site, event, workplace, and any situation with the most effective option available. We are committed to delivering satisfaction in every rental and purchase.



We elevate the industry with quality service and people



24/7/365 phone support from our team that cares



Five branches with a large inventory and modern fleet