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Both calculators run independently — change the inputs on either side to compare results.
Fluid Mechanics
Pipe Flow Calculator
Determine pressure drop in circular pipes using the Darcy-Weisbach equation. Use this when designing water supply lines, HVAC ducts, or industrial piping systems to ensure adequate flow.
Fill in the required fields to see your result.
Fluid Mechanics
Orifice Flow Calculator
Calculate volumetric flow rate through an orifice plate or sharp-edged opening given pressure drop and fluid properties. Widely used for flow metering in industrial pipelines and process plants.
Fill in the required fields to see your result.
Key differences
| Pipe Flow Calculator | Orifice Flow Calculator | |
|---|---|---|
| Category | Fluid Mechanics | Fluid Mechanics |
| Inputs required | 5 | 5 |
| Result | Pressure Drop (Pa) | Flow Rate (m³/s) |
| What it does | Determine pressure drop in circular pipes using the Darcy-Weisbach equation. Use this when designing water supply lines, HVAC ducts, or industrial piping systems to ensure adequate flow. | Calculate volumetric flow rate through an orifice plate or sharp-edged opening given pressure drop and fluid properties. Widely used for flow metering in industrial pipelines and process plants. |