Pump Head From Pressure

Convert a pump pressure rise or differential pressure into equivalent liquid head.

Concept

HH = Δp / ρgΔp=Pressure riseρ=Liquid densityH=Equivalent head

Results

Enter inputs and select Calculate to display reviewed results.

Inputs

Formula & Variables

H =Δpρg
H
Head
[m]
Δp
Pressure difference
[Pa]
ρ
Density
[kg/m^3]
g
Standard gravity
[m/s^2]

Assumptions

  • Liquid density is constant.
  • Pressure input is a differential pressure or pump pressure rise.
  • Standard gravity is 9.80665 m/s^2.

⚠ Limitations

  • This is not full total dynamic head.
  • Static lift, velocity-head changes, system losses, NPSH, and pump efficiency are excluded.
Sources & Citations 2
  • Fluid MechanicsFrank M. White · 2011 · Formula authority
  • Crane TP-410Crane Co. · 2009 · Formula authority