Pound/sq inch to Atmosphere (tech) Converter
Convert Pound/sq inch (psi) to Atmosphere (tech) (at) instantly. 1 psi = 0.070307 at.
Pressure Converter
29 units available
1 psi = 0.070307 at
Formula:
at = psi × 0.070306958With your value: 1 psi = 0.07030696 at
Other Pound/sq inch to Atmosphere (tech) conversions
Pound/sq inch to Atmosphere (tech) Conversion Table
| Pound/sq inch (psi) | Atmosphere (tech) (at) |
|---|---|
| 0.5 | 0.035153 |
| 1 | 0.070307 |
| 2 | 0.140614 |
| 5 | 0.351535 |
| 10 | 0.70307 |
| 15 | 1.054604 |
| 20 | 1.406139 |
| 25 | 1.757674 |
| 50 | 3.515348 |
| 100 | 7.030696 |
| 250 | 17.576739 |
| 500 | 35.153479 |
| 1000 | 70.306958 |
Atmosphere (tech) to Pound/sq inch Conversion Table
| Atmosphere (tech) (at) | Pound/sq inch (psi) |
|---|---|
| 0.5 | 7.111672 |
| 1 | 14.223343 |
| 2 | 28.446687 |
| 5 | 71.116717 |
| 10 | 142.233433 |
| 15 | 213.35015 |
| 20 | 284.466866 |
| 25 | 355.583583 |
| 50 | 711.167165 |
| 100 | 1,422.334331 |
| 250 | 3,555.835827 |
| 500 | 7,111.671654 |
| 1000 | 14,223.343307 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Pound/sq inch (psi)
Pressure
1 psi = 1 lbf/in² = 6894.757 293 168 361 Pa exactly.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Atmosphere (tech) (at)
Pressure
Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Pound/sq inch to Atmosphere (tech)
To convert from Pound/sq inch (psi) to Atmosphere (tech) (at), multiply the value by 0.070306958.
Formula: at = psi × 0.070306958
Reverse: psi = at × 14.2233433071
Step-by-Step Example
- Start with your value in Pound/sq inch. For example: 5 psi
- Multiply by the conversion factor: 5 x 0.070306958
- The result is: 0.351535 at
About Pound/sq inch
Pounds per square inch (psi) is an imperial unit of pressure widely used in the US for tire pressure, hydraulics, and engineering.
Common uses: tire pressure (US), hydraulics, HVAC.
About Atmosphere (tech)
The atmosphere (tech) (at) is a unit of pressure and stress. One atmosphere (tech) equals 98066.5 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: pressure calculations, engineering and science, education.
Frequently Asked Questions
How many Atmosphere (tech) are in 1 Pound/sq inch?
There are exactly 0.070306958 Atmosphere (tech) in 1 Pound/sq inch. This means the conversion factor from Pound/sq inch to Atmosphere (tech) is 0.070306958.
What is the formula to convert Pound/sq inch to Atmosphere (tech)?
The formula to convert Pound/sq inch to Atmosphere (tech) is: at = psi × 0.070306958. For example, to convert 10 Pound/sq inch to Atmosphere (tech), you would multiply 10 by 0.070306958.
What is a Pound/sq inch?
Pounds per square inch (psi) is an imperial unit of pressure widely used in the US for tire pressure, hydraulics, and engineering.
What is a Atmosphere (tech)?
The atmosphere (tech) (at) is a unit of pressure and stress. One atmosphere (tech) equals 98066.5 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Pound/sq inch?
The Pound/sq inch is commonly used in tire pressure (US), hydraulics, HVAC.
Related Pressure Conversions
Cite this page
UnitConvertLab. (2026). Pound/sq inch to Atmosphere (tech) converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/psi-to-atmosphere_tech