Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Fluid Mechanics
Open Channel Flow Calculator
Compute flow rate and velocity in open channels — rivers, ditches, and culverts — using Manning's equation. Use it for drainage design, irrigation channel sizing, and flood capacity analysis.
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
| Open Channel Flow Calculator | Venturi Meter Flow Calculator | |
|---|---|---|
| Category | Fluid Mechanics | Fluid Mechanics |
| Inputs required | 5 | 4 |
| Result | Flow Rate (m³/s) | Flow Rate (m³/s) |
| What it does | Compute flow rate and velocity in open channels — rivers, ditches, and culverts — using Manning's equation. Use it for drainage design, irrigation channel sizing, and flood capacity analysis. | 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. |