How Many Restroom Trailers Do You Need for 50 to 500 Guests?

When planning an outdoor event, one of the most overlooked—but most important—questions is: how many restrooms will your guests need? If you’re renting a luxury restroom trailer, here’s a simple breakdown to help you figure it out.

Standard Rule of Thumb

For events under 4 hours, you’ll typically want:

1 toilet per 75 guests

For events longer than 4 hours, especially those serving food and alcohol, you should double that number to prevent long lines and keep things running smoothly.

Quick Reference Chart

50 guests = 1 stall
100 guests = 2–3 stalls
200 guests = 4–6 stalls
300–500 guests = 6+ stalls or multiple trailers

Other Factors to Consider

Will alcohol be served?
Is the event longer than 4 hours?
Are you expecting VIP guests or needing ADA-compliant access?

These factors can affect how many restroom trailers you should rent and what type to go with.

Planning Tip

If your event is upscale, formal, or extended in length, it's better to go bigger and ensure guests are comfortable.

Still Not Sure?

We can help! Use our experience to get the right number of stalls for your event. Just tell us your guest count and event details, and we’ll recommend the perfect setup.

Want more planning tips? Check out our guide: What Is a Luxury Restroom Trailer & Why You Should Rent One.