Unified Plumbing Code Method Grease Interceptor Sizing Calculator

Please fill out the form below and use the total given to select the proper size of the Grease Interceptor for your business.

Number of Meals Per Peak Hour (Recommended Formula):

Storage Factor: Fully Equipped Commercial (choose hours)

8 hours

12 hours

16 hours

24 hours

Single Service

Answer (in gallons):

This worksheet is intended for estimating the size of a Grease Interceptor only. The final determination for the size of the Grease Interceptor may be governed by local jurisdiction, consult AHJ for regulations.

900 Gallon (PDF) 900 Gallon (DWG) 1,300 Gallon (PDF) 1,300 Gallon (DWG) 1,800 Gallon (PDF) 1,800 Gallon (DWG)

1,900 Gallon (PDF) 1,900 Gallon (DWG) 2,300 Gallon (PDF) 2,300 Gallon (DWG) 2,800 Gallon (PDF) 2,800 Gallon (DWG) 3,400 Gallon (PDF) 3,400 Gallon (DWG) 4,400 Gallon (PDF) 4,400 Gallon (DWG) 5,200 Gallon (PDF) 5,200 Gallon (DWG)

3,300 Gallon (PDF) 3,300 Gallon (DWG) 4,100 Gallon (PDF) 4,100 Gallon (DWG) 4,900 Gallon (PDF) 4,900 Gallon (DWG) 5,700 Gallon (PDF) 5,700 Gallon (DWG) 6,400 Gallon (PDF) 6,400 Gallon (DWG) 7,900 Gallon (PDF) 7,900 Gallon (DWG) 9,500 Gallon (PDF) 9,500 Gallon (DWG) 12,000 Gallon (PDF) 12,000 Gallon (DWG)

7,400 Gallon (PDF) 7,400 Gallon (DWG) 8,600 Gallon (PDF) 8,600 Gallon (DWG) 11,000 Gallon (PDF) 11,000 Gallon (DWG) 15,000 Gallon (PDF) 15,000 Gallon (PDF) 18,000 Gallon (PDF) 18,000 Gallon (DWG) 22,000 Gallon (PDF) 22,000 Gallon (DWG) 25,000 Gallon (PDF) 25,000 Gallon (DWG) 29,000 Gallon (PDF) 29,000 Gallon (DWG)

600 Gallon (PDF) 600 Gallon (BIM) 600 Gallon (DWG) 1,000 Gallon (PDF) 1,000 Gallon (BIM) 1,000 Gallon (DWG)

2,000 Gallon (PDF) 2,000 Gallon (BIM) 2,000 Gallon (DWG) 3,000 Gallon (PDF) 3,000 Gallon (BIM) 3,000 Gallon (DWG) 4,000 Gallon (PDF) 4,000 Gallon (BIM) 4,000 Gallon (DWG) 5,000 Gallon (PDF) 5,000 Gallon (BIM) 5,000 Gallon (DWG) 6,000 Gallon (PDF) 6,000 Gallon (BIM) 6,000 Gallon (DWG)

4,000 Gallons (PDF) 4,000 Gallon (BIM) 4,000 Gallon (DWG) 5,000 Gallon (PDF) 5,000 Gallon (BIM) 5,000 Gallon (DWG) 6,000 Gallon (PDF) 6,000 Gallon (BIM) 6,000 Gallon (DWG) 8,000 Gallon (PDF) 8,000 Gallon (BIM) 8,000 Gallon (DWG) 10,000 Gallon (PDF) 10,000 Gallon (BIM) 10,000 Gallon (DWG) 12,000 Gallon (PDF) 12,000 Gallon (BIM) 12,000 Gallon (DWG) 15,000 Gallon (PDF) 15,000 Gallon (BIM) 15,000 Gallon (DWG)

10,000 Gallon (PDF) 10,000 Gallon (BIM) 10,000 Gallon (DWG) 12,000 Gallon (PDF) 12,000 Gallon (BIM) 12,000 Gallon (DWG) 15,000 Gallon (PDF) 15,000 Gallon (BIM) 15,000 Gallon (DWG) 20,000 Gallon (PDF)

20,000 Gallon (BIM)

20,000 Gallon (DWG) 25,000 Gallon (PDF) 25,000 Gallon (BIM) 25,000 Gallon (DWG) 30,000 Gallon (PDF) 30,000 Gallon (BIM) 30,000 Gallon (DWG) 35,000 Gallon (PDF) 35,000 Gallon (BIM) 35,000 Gallon (DWG) 40,000 Gallon (PDF) 40,000 Gallon (BIM) 40,000 Gallon (DWG)

20,000 Gallon (PDF) 20,000 Gallon (BIM) 20,000 Gallon (DWG) 25,000 Gallon (PDF) 25,000 Gallon (BIM) 25,000 Gallon (DWG) 30,000 Gallon (PDF) 30,000 Gallon (BIM) 30,000 Gallon (DWG) 35,000 Gallon (PDF) 35,000 Gallon (BIM) 35,000 Gallon (DWG) 40,000 Gallon (PDF) 40,000 Gallon (BIM) 40,000 Gallon (DWG) 45,000 Gallon (PDF)

45,000 Gallon (BIM)

45,000 Gallon (DWG) 48,000 Gallon (PDF) 48,000 Gallon (BIM) 48,000 Gallon (DWG) 50,000 Gallon (PDF) 50,000 Gallon (BIM) 50,000 Gallon (DWG)

Unified Plumbing Code Method Grease Interceptor Sizing Calculator

Grease Interceptor Typical Drawing

IAPMO Designs (4' Diameter)

IAPMO Designs (6' Diameter)

IAPMO Designs (8' Diameter)

IAPMO Designs (10' Diameter)

Single-Wall Tanks (4' Diameter)

Single-Wall Tanks (6' Diameter)

Single-Wall Tanks (8' Diameter)

Single-Wall Tanks (10' Diameter)

Single-Wall Tanks (12' Diameter)