Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Plumbing
Grease Trap Sizing Calculator
Determine the minimum grease trap size (in gallons) for a commercial kitchen based on sinks, dishwashers, meal volume, kitchen type, and required retention time. Use it when designing or upgrading a kitchen drainage system to meet code.
Fill in the required fields to see your result.
Civil
Pipe Flow Rate Calculator
Determine the flow rate of water through a pipe using the Hazen-Williams equation. Use this when designing or analyzing water distribution systems, irrigation lines, or municipal supply networks.
Fill in the required fields to see your result.
Key differences
| Grease Trap Sizing Calculator | Pipe Flow Rate Calculator | |
|---|---|---|
| Category | Plumbing | Civil |
| Inputs required | 5 | 4 |
| Result | Required Capacity (gallons) | Flow Rate (gpm) |
| What it does | Determine the minimum grease trap size (in gallons) for a commercial kitchen based on sinks, dishwashers, meal volume, kitchen type, and required retention time. Use it when designing or upgrading a kitchen drainage system to meet code. | Determine the flow rate of water through a pipe using the Hazen-Williams equation. Use this when designing or analyzing water distribution systems, irrigation lines, or municipal supply networks. |