Atmospheres to Inches of Mercury
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atm
inhg
Quick reference
| Atmospheres (atm) | Inches of Mercury (inhg) |
|---|
Formula
Inches of Mercury = atmospheres × 29.921244
Multiply the atmospheres value by 29.92124356615747 to get inches of mercury. To reverse — divide inches of mercury by 29.92124356615747 to get atmospheres.
About this conversion
The atmosphere (atm) is a reference pressure unit equal to the average atmospheric pressure at sea level: 101,325 pascals. Learn more →
Inches of mercury (inHg) is used in aviation altimetry and US weather reports, equal to approximately 3,386 pascals. Learn more →
Source: NIST International Reference