Hydrostatic Pressure Calculator
Hydrostatic pressure calculator
Estimate static fluid pressure at depth from density and gravity.
Result
78,453.2 Pa
Uses P = rho × g × h.
Physics signal
Advanced options
Flow
- Enter fluid density, depth, and gravity.
- Read pressure output in pascals.
- Convert to other pressure units with the pressure converter when needed.
Example
Worked example: water at 8 m depth
- 1 rho = 1000 kg/m^3, g = 9.80665 m/s^2, h = 8 m
- 2 P = 1000 × 9.80665 × 8
- 3 P = 78,453.2 Pa
Hydrostatic pressure is 78.45 kPa.
How
- Enter fluid density, depth, and gravity.
- Read pressure output in pascals.
- Convert to other pressure units with the pressure converter when needed.
Avoid
- Using gauge pressure formula to represent absolute pressure without adding atmospheric pressure.
- Entering depth in centimeters while keeping density in SI units.
- Using density of one fluid for a different solution composition.
Checks
Best fit
Hydrostatic Pressure Calculator is built for estimate fluid static pressure at depth using density and gravitational acceleration. If Hydrostatic Pressure Calculator does not match the input scope, compare the answer with a second method.
Input check
Match the entered values to this rule before copying the answer: P = rho × g × h.
Sanity check
For Hydrostatic Pressure Calculator, use the worked example as a quick benchmark: Hydrostatic pressure is 78.45 kPa. If the hydrostatic pressure calculator answer is far away, check whether an input, unit, or mode changed.
Before copying
Review this common issue first: using gauge pressure formula to represent absolute pressure without adding atmospheric pressure.
FAQ
Does this include atmospheric pressure?
No. This tool returns fluid-column pressure rho·g·h only.
Can depth be zero?
Yes, depth zero gives zero hydrostatic contribution.
What density should I use for seawater?
Use your project value, often around 1025 kg/m^3.
Switch
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No match.