Water Flow Calculator

July 9, 2025 by Muneeb tariq

Water Flow Formula: Q_L =
C_v * √(Δp)
√S_L

Specific Gravity of water(S_L)= 1.0 at 60°F Δp = P₂ - P₁

Enter the unknown value as ‘ x ‘

Enter Inlet Pressure(P₁) =

psia

Enter Outlet Pressure(P₂) =

psia

Flow Coefficient for Regulators and Valves(C_v) =

Enter Liquid Flow(Q_L) =

GPM

x =