Inches of Mercury to Atmospheres
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inhg
atm
Quick reference
| Inches of Mercury (inhg) | Atmospheres (atm) |
|---|
Formula
Atmospheres = inches of mercury × 0.033421071
Multiply the inches of mercury value by 0.033421070811744384 to get atmospheres. To reverse — divide atmospheres by 0.033421070811744384 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 →
The atmosphere (atm) is a reference pressure unit equal to the average atmospheric pressure at sea level: 101,325 pascals. Learn more →
Source: NIST International Reference