Pascals to Inches of Water

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pa
inH2O
1 pa = — inH2O

Quick reference

Pascals (pa)Inches of Water (inH2O)

Formula

Inches of Water = pascals × 0.0040146293

Multiply the pascals value by 0.004014629309202735 to get inches of water. To reverse — divide inches of water by 0.004014629309202735 to get pascals.

About this conversion

The pascal (Pa) is the SI unit of pressure, equal to one newton per square meter. Learn more →

Inches of water column (inH₂O) is used in HVAC and low-pressure measurement, equal to approximately 249 pascals. Learn more →

Source: NIST International Reference