Pound/sq inch to Atmosphere (std) Converter
Convert Pound/sq inch (psi) to Atmosphere (std) (atm) instantly. 1 psi = 0.068046 atm.
Pressure Converter
29 units available
1 psi = 0.068046 atm
Formula:
atm = psi × 0.0680459639With your value: 1 psi = 0.06804596 atm
Other Pound/sq inch to Atmosphere (std) conversions
Pound/sq inch to Atmosphere (std) Conversion Table
| Pound/sq inch (psi) | Atmosphere (std) (atm) |
|---|---|
| 0.5 | 0.034023 |
| 1 | 0.068046 |
| 2 | 0.136092 |
| 5 | 0.34023 |
| 10 | 0.68046 |
| 15 | 1.020689 |
| 20 | 1.360919 |
| 25 | 1.701149 |
| 50 | 3.402298 |
| 100 | 6.804596 |
| 250 | 17.011491 |
| 500 | 34.022982 |
| 1000 | 68.045964 |
Atmosphere (std) to Pound/sq inch Conversion Table
| Atmosphere (std) (atm) | Pound/sq inch (psi) |
|---|---|
| 0.5 | 7.347974 |
| 1 | 14.695949 |
| 2 | 29.391898 |
| 5 | 73.479744 |
| 10 | 146.959488 |
| 15 | 220.439232 |
| 20 | 293.918976 |
| 25 | 367.398719 |
| 50 | 734.797439 |
| 100 | 1,469.594878 |
| 250 | 3,673.987194 |
| 500 | 7,347.974388 |
| 1000 | 14,695.948776 |
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 (std) (atm)
Pressure
The standard atmosphere is exactly 101 325 Pa.
Source: Units accepted for use with the SI, SI Brochure Table 8
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Pound/sq inch to Atmosphere (std)
To convert from Pound/sq inch (psi) to Atmosphere (std) (atm), multiply the value by 0.0680459639.
Formula: atm = psi × 0.0680459639
Reverse: psi = atm × 14.6959487755
Step-by-Step Example
- Start with your value in Pound/sq inch. For example: 5 psi
- Multiply by the conversion factor: 5 x 0.0680459639
- The result is: 0.34023 atm
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 (std)
One standard atmosphere equals 101,325 Pascals and represents the average air pressure at sea level.
Common uses: diving, weather, chemistry.
Frequently Asked Questions
How many Atmosphere (std) are in 1 Pound/sq inch?
There are exactly 0.0680459639 Atmosphere (std) in 1 Pound/sq inch. This means the conversion factor from Pound/sq inch to Atmosphere (std) is 0.0680459639.
What is the formula to convert Pound/sq inch to Atmosphere (std)?
The formula to convert Pound/sq inch to Atmosphere (std) is: atm = psi × 0.0680459639. For example, to convert 10 Pound/sq inch to Atmosphere (std), you would multiply 10 by 0.0680459639.
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 (std)?
One standard atmosphere equals 101,325 Pascals and represents the average air pressure at sea level.
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 (std) converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/psi-to-atmosphere