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Compare Manning's Equation Open Channel Calculator scenarios

Three side-by-side scenarios of the same calculator. Change any input in any column and the result recomputes live.

Scenario A

Hydraulic Radius(m)

Channel Slope(m/m)

Manning's Roughness (n)

Cross-sectional Area(m²)

Flow Rate

4.59 m³/s

Scenario B

Hydraulic Radius(m)

Channel Slope(m/m)

Manning's Roughness (n)

Cross-sectional Area(m²)

Flow Rate

4.59 m³/s

Scenario C

Hydraulic Radius(m)

Channel Slope(m/m)

Manning's Roughness (n)

Cross-sectional Area(m²)

Flow Rate

4.59 m³/s