Inches of Mercury to Inches of Water
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inhg
inH2O
Quick reference
| Inches of Mercury (inhg) | Inches of Water (inH2O) |
|---|
Formula
Inches of Water = inches of mercury × 13.595101
Multiply the inches of mercury value by 13.595100546391048 to get inches of water. To reverse — divide inches of water by 13.595100546391048 to get inches of mercury.
About this conversion
Inches of mercury (inHg) is used in aviation altimetry and US weather reports, equal to approximately 3,386 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