Broad Crested Weir Calculator

Enter value and click on calculate. Result will be displayed.

Formula:
q = Cd × b × h2 × (2g (h1 - h2)) 1/2

Width of the Weir :
m
Head 1 on the Weir (h1) :
m
Head 2 on the Weir (h2) :
m
Discharge Constant (Cd) :

Result :

Water Flow Rate (q) :
What is broad crested weir? Weirs are installed for many purposes on streams and rivers and they have different types.
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