Grease Interceptor Capacity Estimator

Determine the ideal grease interceptor rating for your foodservice operation using fixture flow analysis and PDI sizing standards.

Plumbing & Drainage

Grease Interceptor Capacity Estimator (PDI Method)

Compute the approximate minimum grease interceptor rating based on fixture water flow and your local retention guidelines.

Load Factor (Safety Margin)

Minimum Retention Time (Minutes)

List every sink, dishwasher, or other fixture that discharges into the grease interceptor.