Weir Flow
Estimate the flow over a rectangular sharp-crested weir.
About this calculator
Uses the simple rectangular weir formula Q = 1.84 ร L ร H^1.5 (SI units) for the discharge over a sharp-crested weir of length L at head H.
Uses the simple rectangular weir formula Q = 1.84 ร L ร H^1.5 (SI units) for the discharge over a sharp-crested weir of length L at head H.