plumbing calculators

Grease Trap Size Calculator

Determine required grease trap capacity

About this calculator

The Grease Trap Size Calculator helps commercial kitchens, restaurants, and food service establishments determine the proper grease trap capacity required for their operations. This tool ensures compliance with local plumbing codes and environmental regulations while preventing costly blockages and maintenance issues. By calculating the correct size based on your kitchen's specifications, you can optimize grease removal efficiency, reduce pumping frequency, and avoid potential fines from undersized installations that fail to meet municipal requirements.

How to use

Enter your kitchen's key parameters including the number of fixtures, flow rates, and peak usage times. Input details about dishwashers, sinks, and other grease-producing equipment. The calculator will analyze your data and recommend the minimum grease trap capacity in gallons or pounds, ensuring proper sizing for effective grease separation and regulatory compliance.

Frequently asked questions

How often should grease traps be cleaned?

Most grease traps require cleaning every 1-3 months, depending on usage volume and local regulations. High-volume kitchens may need monthly service.

What happens if my grease trap is too small?

Undersized grease traps become ineffective, causing drain blockages, foul odors, environmental violations, and potential fines from health departments.

Do all commercial kitchens need grease traps?

Most jurisdictions require grease traps for restaurants, cafeterias, and food service facilities that discharge wastewater containing fats, oils, and grease.