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Both calculators run independently β 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
Hazen-Williams Flow Calculator
Estimate water flow velocity and discharge in a pressurized pipe using the empirical Hazen-Williams equation. Useful for water distribution system design and quick hydraulic calculations on municipal water mains.
Fill in the required fields to see your result.
Key differences
| Orifice Flow Rate Calculator | Hazen-Williams Flow Calculator | |
|---|---|---|
| Category | Fluid Mechanics | Fluid Mechanics |
| Inputs required | 3 | 3 |
| Result | Flow Rate (mΒ³/s) | Flow Rate (mΒ³/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. | Estimate water flow velocity and discharge in a pressurized pipe using the empirical Hazen-Williams equation. Useful for water distribution system design and quick hydraulic calculations on municipal water mains. |