Question 1

How do I convert cmH2O to inH2O?

Accepted Answer

Divide by 2.54. 10 cmH2O = 3.94 inH2O. Used in respiratory medicine for ventilator pressures.

Question 2

Where is cmH2O used?

Accepted Answer

Mechanical ventilation (PEEP), central venous pressure, bladder pressure. Low-pressure physiological measurements.

Question 3

What pressure units do different industries use?

Accepted Answer

PSI in US/UK automotive and HVAC. Bar/kPa in European engineering. mmHg/torr in medicine. Atmospheres in diving and altitude.

Question 4

Is gauge pressure different from absolute pressure?

Accepted Answer

Yes! Gauge pressure reads 0 at atmospheric pressure. Absolute pressure adds atmospheric (~14.7 psi). Vacuum gauge shows negative gauge pressure.

Cmh2o to Inh2o Pressure Converter - Free Online Tool

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