mmHg to Inches of Water
Type a value — result updates instantly.
mmhg
inH2O
Quick reference
| mmHg (mmhg) | Inches of Water (inH2O) |
|---|
Formula
Inches of Water = mmhg × 0.53523841
Multiply the mmhg value by 0.5352384087615271 to get inches of water. To reverse — divide inches of water by 0.5352384087615271 to get mmhg.
About this conversion
Millimeters of mercury (mmHg) is a pressure unit used in medicine for blood pressure and barometric measurement, equal to 133.322 pascals. 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