Physics

Hydrostatic Pressure Calculator

Find the pressure at a depth in a fluid.

Fluid density (kg/m³)

Depth

Gravity (m/s²)

Calculated Output

Hydrostatic pressure (Pa) 98,100

Pressure (bar) 0.981

Formula: P = ρ·g·h

Step-by-Step Breakdown

1. Values used:

2. Fluid density = 1,000 kg/m³

3. Depth = 10

4. Gravity = 9.81 m/s²

6. Hydrostatic pressure = Fluid density x Depth x Gravity = 1,000 x 10 x 9.81 = 98,100Pa

7. Pressure = 0.981bar

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The math behind it

P = ρ·g·h. It is the gauge pressure; add atmospheric pressure for absolute.

10 m deep in water → about 98.1 kPa (0.98 bar).

Does container shape matter?

No — only the depth and fluid density set the pressure.