Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Plumbing
Sump Pump Sizing Calculator
Determine the minimum sump pump capacity (GPH) needed to protect your basement given its area, local peak rainfall, soil drainage, and discharge lift height. Use it before purchasing a pump or when upgrading an undersized unit.
Fill in the required fields to see your result.
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.
Key differences
| Sump Pump Sizing Calculator | Grease Trap Sizing Calculator | |
|---|---|---|
| Category | Plumbing | Plumbing |
| Inputs required | 4 | 5 |
| Result | Required Pump Capacity (GPM) | Required Capacity (gallons) |
| What it does | Determine the minimum sump pump capacity (GPH) needed to protect your basement given its area, local peak rainfall, soil drainage, and discharge lift height. Use it before purchasing a pump or when upgrading an undersized unit. | 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. |