Atmospheres to Inches of Mercury Converter
Convert atmospheres (atm) to inches of mercury (inHg)
Result
29.9212524 inHg
Inches of Mercury
1 atm = 29.9212524 inHg
1 atm in other units
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How to convert atmospheres to inches of mercury
One standard atmosphere equals 29.92125 inches of mercury, so multiply the number of atmospheres by 29.92125.
inHg = atm × 29.92125
1 atm = 29.92125 inHg · 1 inHg = 0.03342106 atm
Worked example
To convert 5 atmospheres to inches of mercury: 5 atm × 29.92125 = 149.6063 inHg.
About atmospheres (atm)
A standard atmosphere is exactly 101,325 Pa, the average air pressure at sea level.
About inches of mercury (inHg)
Inches of mercury is used for barometric pressure in US weather reports and aviation.
More conversions
Atmospheres to other units
Frequently asked questions
How many inches of mercury are in one standard atmosphere?
One standard atmosphere equals 29.92125 inches of mercury.
How many atmospheres are in one inch of mercury?
One inch of mercury equals 0.03342106 atmospheres.
How do I convert atmospheres to inches of mercury?
Use the formula inHg = atm × 29.92125. For example, 5 atm × 29.92125 = 149.6063 inHg.