Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Plumbing
Water Pump Sizing Calculator
Calculate the required pump power output in horsepower given flow demand, total dynamic head, and pump efficiency. Use when selecting or specifying a water pump for irrigation, building supply, or industrial process systems.
Fill in the required fields to see your result.
Plumbing
Water Meter Sizing Calculator
Determines the appropriate water meter size (in inches) for a property by comparing peak flow demand against the meter's rated capacity at the available line pressure. Use it during new construction or meter upgrade planning.
Fill in the required fields to see your result.
Key differences
| Water Pump Sizing Calculator | Water Meter Sizing Calculator | |
|---|---|---|
| Category | Plumbing | Plumbing |
| Inputs required | 3 | 4 |
| Result | Required Motor Power (HP) | Recommended Meter Size (inches) |
| What it does | Calculate the required pump power output in horsepower given flow demand, total dynamic head, and pump efficiency. Use when selecting or specifying a water pump for irrigation, building supply, or industrial process systems. | Determines the appropriate water meter size (in inches) for a property by comparing peak flow demand against the meter's rated capacity at the available line pressure. Use it during new construction or meter upgrade planning. |