EVERYDAY · ENGINEERING · SCIENCE

atm to inHg Converter

Convert standard atmosphere (atm) to inch of mercury, conventional (inHg). Enter a value for an instant result, or use the examples and reverse conversion below.

520units ready to convert
STRUCTURAL

Pressure & stress

Pressure, material stress and fluid head.

atm
inHg

Try a decimal, 1e-9, 1/3, or 5 1/2.

Result29.9213 inHg1 atm = 29.9213 inHg
HOW IT IS CALCULATED

Convert through pascal

Enter a standard atmosphere value to calculate inch of mercury, conventional with full internal precision before display rounding.

Display PrecisionAuto · 6 significant digits

Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.

QUICK REFERENCE

All units in this quantity

UnitSymbolConverted value
pascalfrom atmPa101325
hectopascalfrom atmhPa1013.25
kilopascalfrom atmkPa101.325
megapascalfrom atmMPa0.101325
gigapascalfrom atmGPa0.000101325
millibarfrom atmmbar1013.25
barfrom atmbar1.01325
standard atmospherefrom atmatm1
torrfrom atmTorr760
millimetre of mercuryfrom atmmmHg760
inch of mercury, conventionalfrom atminHg29.9213
millimetre of water, conventionalfrom atmmmH₂O10332.3
inch of water, conventionalfrom atminH₂O406.782
pound-force per square footfrom atmpsf2116.22
pound-force per square inchfrom atmpsi14.6959
kilopound-force per square inchfrom atmksi0.0146959
kilogram-force per square centimetrefrom atmkgf/cm²1.03323

SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.

atm to inHg Conversion Reference

Standard Atmosphere (atm) and inch of mercury, conventional (inHg) are units of pressure & stress. Use this page to convert in either direction.

Conversion Examples

Standard Atmosphere to Inch Of Mercury, Conventional
Standard Atmosphere (atm)Inch Of Mercury, Conventional (inHg)
1 atm29.9213 inHg
5 atm149.606 inHg
10 atm299.213 inHg
100 atm2992.13 inHg

Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.

Reverse Conversion

inHg to atm (inch of mercury, conventional to standard atmosphere)

Related Pressure & stress Conversions

Browse All Unit Conversions