Grease Interceptor Sizing CalculatorGrease Interceptor Sizing Calculator
Size a hydromechanical (HGI) or gravity (GGI) grease interceptor by the basin-volume method. Describe your sinks, get a code-minimum size.
Interceptor type:
Input method:
Interceptor location:Interior = within 20 ft of fixtures → 1-min drain. Exterior = beyond 20 ft → 2-min drain.
| # | Fixture type | L (in) | W (in) | D (in) | Comps | Drain (gal) | |
|---|---|---|---|---|---|---|---|
| 1 | — |