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Cornell Pediatrics

Pressure Conversion

Convert one measurement of pressure to mmHg, cmH2O, or kPa. Enter a value in the appropriate row and click on the adjacent calculate button.

mmHg =
cmH2O =
kPa =
PSI =
   

 

The relationship of these measurements are:

1 mmHg = 1.36 cmH2O = 0.133 kPa = 0.0193 PSI

A Pascal (Pa) is a Newton-per-meter squared.

Please be aware of potential rounding errors when going back and forth between units of measurement.

 

Created: October 5, 2000
Revised: October 25, 2000

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