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Altimeter Setting
Convert US-style inches of mercury to ICAO hectopascals, e.g. 29.92 inHg to hPa.
inHg ↔ hPa FAQs
Common questions about altimeter setting.
How do I convert 29.92 inHg to hPa?
29.92 × 33.86389 ≈ 1013.25 hPa, the standard sea-level altimeter setting.
Are hPa and millibars the same?
Yes for altimeter settings — 1013 hPa equals 1013 mbar.