Atmospheres to Psi Converter
1 atmosphere = 14.6959 psi.
Enter a value
Result
1 atmosphere =
14.6959 psi
1 atm × 14.6959 = 14.6959 psi
1 atm = 101,325 Pa · 1 bar = 100,000 Pa
The working
- 1. Convert 1 atm to pascals: 1 × 101,325 = 101,325.
- 2. Convert to psi: 101,325 ÷ 6,894.76 = 14.6959.
1 atm in every unit
Common pressures
- Car tyre
- 2.2 bar (32 psi)
- Road bike tyre
- 6-8 bar
- Sea-level air pressure
- 1,013 mbar
- Normal blood pressure
- 120/80 mmHg
Conversion table
Atmospheres to Psi
| Atmospheres | Psi |
|---|---|
| 1 | 14.696 |
| 2 | 29.392 |
| 3 | 44.088 |
| 4 | 58.784 |
| 5 | 73.48 |
| 6 | 88.176 |
| 7 | 102.87 |
| 8 | 117.57 |
| 9 | 132.26 |
| 10 | 146.96 |
| 15 | 220.44 |
| 20 | 293.92 |
| 25 | 367.4 |
| 50 | 734.8 |
| 100 | 1,469.6 |
Psi to Atmospheres
| Psi | Atmospheres |
|---|---|
| 1 | 0.068046 |
| 2 | 0.13609 |
| 3 | 0.20414 |
| 4 | 0.27218 |
| 5 | 0.34023 |
| 6 | 0.40828 |
| 7 | 0.47632 |
| 8 | 0.54437 |
| 9 | 0.61241 |
| 10 | 0.68046 |
| 15 | 1.0207 |
| 20 | 1.3609 |
| 25 | 1.7011 |
| 50 | 3.4023 |
| 100 | 6.8046 |
Formula and worked example
psi = atmospheres × 14.69594878 (1 standard atmosphere is exactly 101.325 kPa; 1 psi is about 6.894757 kPa).
Convert 1 atmosphere to psi: 1 × 14.695949 = 14.6959 psi.
When you need this
Used in chemistry, scuba diving and engineering to translate pressures given in standard atmospheres into psi.
Questions people ask
How many psi are in a atmosphere?
One atmosphere is 14.695949 psi. 1 standard atmosphere is exactly 101.325 kPa.
How do I convert atmospheres to psi?
Multiply the number of atmospheres by 14.695949.
What is 10 atm in psi?
10 atmospheres is 146.959 psi.
How do I convert psi back to atmospheres?
Multiply by 0.068045964: one psi is 0.068045964 atmospheres.
Related conversions
How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it. Source: NIST Special Publication 811, Guide for the Use of the International System of Units.
Spotted a mistake? Tell us and we'll check it. How we check our calculators