ENGINEERING TOOL

Pump Head / TDH Calculator

Calculate pump total dynamic head from elevation, pressure difference and losses.

FREE ONLINE TOOL

Pump, elevation and total head

Elevation difference (m)Pressure difference (bar)Friction and minor losses (m)Fluid density (kg/m³)

Result (m)

45.394324

TDH (m) = Δz + Δp (bar) × 100000 / (ρ × 9.80665) + losses

Losses must correspond to the design flow. Assumes negligible velocity-head difference. Select a pump using its curve at the required flow.

STEP BY STEP

How to use pump head / tdh calculator

IN PRACTICE

20 m + 2 bar / (water density × g) + 5 m ≈ 45.39 m.

GOOD TO KNOW

Losses must correspond to the design flow. Assumes negligible velocity-head difference. Select a pump using its curve at the required flow.