Free Online Segmented, Variable Depth, Irregular Weir Flow Calculator

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Irregular Weir Flow Calculator

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Inputs

Headwater elevation

Weir points +/- (or copy/paste using the data area)
Sta	Elevation	Ponding Height	Incremental Flow	Cumulative Flow

Points data
(comma or tab separated)

Weir Equation: q = if (length = 0) then 0 else if (slope=0) then cw*length*d₀^1.5 else cw/(2.5*slope) * (d₀^2.5 - d₁^2.5) where d₁ and d₀ are always positive or zero