Technical atmosphere is kilogram-force per square centimeter.
Technical atmospheres to Hectopascals Converter — at to hPa
Convert Technical atmosphere (at) to Hectopascal (hPa) using the exact conversion factor (1 technical atmosphere = 980.665 hectopascal). See the formula, worked examples, and conversion table.
Technical atmospheres to Hectopascals 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.
Hectopascal is 100 pascal units.
Result = input x 98066.5 / 100.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Technical atmospheres to Hectopascals
Technical atmosphere and Hectopascal 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: Technical atmosphere is kilogram-force per square centimeter, and hectopascal is 100 pascal units.
Formula
hectopascals = technical atmospheres × 980.665
This factor comes from each unit's defined relationship to the category's base unit: 1 technical atmosphere equals 98066.5 base units, and 1 hectopascal equals 100 base units, so dividing one by the other gives the direct technical atmosphere-to-hectopascal factor of 980.665.
Simple example
1 at × 980.665 = 980.665 hPa
1 technical atmosphere = 980.665 hectopascals.
Real-world example
100 at × 980.665 = 98,066.5 hPa
100 technical atmospheres = 98,066.5 hectopascals.
Conversion table
| Technical atmosphere (at) | Hectopascal (hPa) |
|---|---|
| 1 at | 980.665 hPa |
| 10 at | 9,806.65 hPa |
| 50 at | 49,033.25 hPa |
| 100 at | 98,066.5 hPa |
| 500 at | 490,332.5 hPa |
| 1,000 at | 980,665 hPa |
Reverse conversion: Hectopascal to Technical atmosphere
980.665 hPa × 0.001019716213 = 1 at
980.665 hectopascals = 1 technical atmosphere.
technical atmospheres = hectopascals × 0.00101971621298
For a page dedicated to this direction, see Hectopascal to Technical atmosphere.
Understanding the Technical atmosphere (at)
Technical atmosphere is kilogram-force per square centimeter.
Understanding the Hectopascal (hPa)
Hectopascal is 100 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectopascals are in 1 technical atmosphere?
1 technical atmosphere equals 980.665 hectopascals, using the exact defined conversion factor rather than an estimate.
How do I convert technical atmosphere to hectopascal?
Multiply the technical atmosphere value by 980.665. The converter above does this instantly to whatever precision you set.
How do I convert hectopascal back to technical atmosphere?
Use the reverse factor: 1 hectopascal equals 0.0010197162 technical atmospheres. You can also use the swap control in the converter above to flip the direction instantly.
What is a technical atmosphere?
Technical atmosphere (at) is a unit of engineering.
What is a hectopascal?
Hectopascal (hPa) is a unit of engineering.
Is the technical atmosphere to hectopascal conversion exact?
Yes. Both technical atmosphere and hectopascal are defined by fixed standards rather than physical artifacts, so the factor of 980.665 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.