Culvert Flow Capacity Calculator vs Culvert Flow Calculator
Two calculators for the same neighbourhood of questions. Here is what each measures, what you feed in, and where you'd reach for one over the other.
Culvert Flow Capacity Calculator
Estimate the full-flow discharge capacity of a circular culvert using Manning's equation. Used by civil engineers and hydrologists to size culverts for road crossings, drainage channels, and stormwater systems.
- Answers
- Flow Capacity (cfs)
- Inputs
- Culvert Diameter, Culvert Slope, Manning's Roughness
Culvert Flow Calculator
Calculate the full-flow discharge capacity of a circular culvert using Manning's equation. Used by drainage engineers to check whether an existing or proposed culvert can pass a design flood without overtopping.
- Answers
- Flow Rate (cfs)
- Inputs
- Culvert Diameter, Culvert Slope, Manning's Roughness, Flow Depth Ratio
At a glance
| Culvert Flow Capacity Calculator | Culvert Flow Calculator | |
|---|---|---|
| Category | Civil | Civil |
| Answers | Flow Capacity | Flow Rate |
| Inputs | 3 | 4 |
| Result unit | cfs | cfs |
When to use each
Estimate the full-flow discharge capacity of a circular culvert using Manning's equation. Used by civil engineers and hydrologists to size culverts for road crossings, drainage channels, and stormwater systems.
Calculate the full-flow discharge capacity of a circular culvert using Manning's equation. Used by drainage engineers to check whether an existing or proposed culvert can pass a design flood without overtopping.