Q = 3.367 L H3/2 [in U.S. Units]
Head H on the weir, in m [or ft]
Length L on the weir, in m [or ft]
Height P to the weir crest, in m [or ft]
Side width b, in m [or ft]
Discharge Q in L/s [or cfs]
See USBR Manual for general methodology
Warning: Ratio P/H = 0 < 2. Warning: Ratio b/H = 0 < 2.
Discharge Q : 0
Your request was processed at 05:06:50 pm on July 5th, 2020 [
200705 17:06:50 ].