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Both calculators run independently — change the inputs on either side to compare results.
Fluid Mechanics
Orifice Flow Rate Calculator
Compute the volumetric flow rate of a liquid discharging through a circular orifice under a given hydraulic head. Ideal for hydraulic engineers sizing outlet structures, tanks, and culverts.
Fill in the required fields to see your result.
Fluid Mechanics
Venturi Meter Flow Calculator
Determine the volumetric flow rate of a fluid passing through a venturi meter. Use this when designing pipelines or calibrating flow measurement devices in industrial systems.
Fill in the required fields to see your result.
Key differences
| Orifice Flow Rate Calculator | Venturi Meter Flow Calculator | |
|---|---|---|
| Category | Fluid Mechanics | Fluid Mechanics |
| Inputs required | 3 | 4 |
| Result | Flow Rate (m³/s) | Flow Rate (m³/s) |
| What it does | Compute the volumetric flow rate of a liquid discharging through a circular orifice under a given hydraulic head. Ideal for hydraulic engineers sizing outlet structures, tanks, and culverts. | Determine the volumetric flow rate of a fluid passing through a venturi meter. Use this when designing pipelines or calibrating flow measurement devices in industrial systems. |