P=qgh
P=pressure
q= densiry of water 1000kg/m3
g= 9.81m/s2
H=head suppose 10 m
P= 98100N/m2
P=1.013kg/cm2
Where 1 N= 1 kg.m/s2
Hence @ 10 m height we consider pressure 1 kg/cm2.
Regards
Kunal Patel
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