Inches of mercury.
inHgs to Technical atmospheres Converter — inHg to at
Convert inHg (inHg) to Technical atmosphere (at) using the exact conversion factor (1 inhg = 0.0345315577 technical atmosphere). See the formula, worked examples, and conversion table.
inHgs to Technical atmospheres converter
Converter
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
Technical atmosphere is kilogram-force per square centimeter.
Result = input x 3386.389 / 98066.5.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting inHgs to Technical atmospheres
inHg and Technical atmosphere both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. Specifically: Inches of mercury, and technical atmosphere is kilogram-force per square centimeter.
Formula
technical atmospheres = inhgs × 0.0345315576675
This factor comes from each unit's defined relationship to the category's base unit: 1 inhg equals 3386.389 base units, and 1 technical atmosphere equals 98066.5 base units, so dividing one by the other gives the direct inhg-to-technical atmosphere factor of 0.0345315576675.
Simple example
1 inHg × 0.03453155767 = 0.0345315577 at
1 inhg = 0.0345315577 technical atmospheres.
Real-world example
100 inHg × 0.03453155767 = 3.453155767 at
100 inhgs = 3.453155767 technical atmospheres.
Conversion table
| inHg (inHg) | Technical atmosphere (at) |
|---|---|
| 1 inHg | 0.0345315577 at |
| 10 inHg | 0.3453155767 at |
| 50 inHg | 1.726577883 at |
| 100 inHg | 3.453155767 at |
| 500 inHg | 17.26577883 at |
| 1,000 inHg | 34.53155767 at |
Reverse conversion: Technical atmosphere to inHg
0.0345315577 at × 28.959018 = 1.000000001 inHg
0.0345315577 technical atmospheres = 1.000000001 inhgs.
inhgs = technical atmospheres × 28.9590179982
For a page dedicated to this direction, see Technical atmosphere to inHg.
Understanding the inHg (inHg)
Inches of mercury.
Understanding the Technical atmosphere (at)
Technical atmosphere is kilogram-force per square centimeter.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many technical atmospheres are in 1 inhg?
1 inhg equals 0.0345315577 technical atmospheres, using the exact defined conversion factor rather than an estimate.
How do I convert inhg to technical atmosphere?
Multiply the inhg value by 0.03453155767. The converter above does this instantly to whatever precision you set.
How do I convert technical atmosphere back to inhg?
Use the reverse factor: 1 technical atmosphere equals 28.959018 inhgs. You can also use the swap control in the converter above to flip the direction instantly.
What is a inhg?
inHg (inHg) is a unit of engineering.
What is a technical atmosphere?
Technical atmosphere (at) is a unit of engineering.
Is the inhg to technical atmosphere conversion exact?
Yes. Both inhg and technical atmosphere are defined by fixed standards rather than physical artifacts, so the factor of 0.03453155767 used above is exact to as many digits as you choose to display.
Why do engineering unit conventions vary so much by region and industry?
Pressure, force, and stress can be expressed in metric (pascal, newton), US customary (psi, pound-force), or older and industry-specific units (atmosphere, torr, kip) depending on the country, industry, and even the equipment manufacturer, which is why engineers routinely need to convert between them when working across specs from different sources.