Convert atmosphere (atm) to psi (psi).
PressureOpen
PSI to Atmosphere Converter (psi to atm)
Convert psi (psi) to atmosphere (atm).Unit Converter · Pressure
Quick answer
1 PSI is approximately equal to 0.06804596 atmospheres (atm). 1 atmosphere (atm) is approximately equal to 14.69595 PSI.
To convert psi to atm, multiply the value in PSI by 0.0680459639. For example, 10 psi = 0.68045964 atm, and 100 psi = 6.80459639 atm.
Loading chart…
Quick reference — psi to atmosphere
More in Pressure
All Pressure convertersConvert psi (psi) to pascal (Pa).
PressureOpenConvert psi (psi) to bar (bar).
PressureOpenConvert psi (psi) to kilopascal (kPa).
PressureOpenConvert psi (psi) to megapascal (MPa).
PressureOpenConvert psi (psi) to millibar (mbar).
PressureOpenConvert psi (psi) to torr (Torr).
PressureOpenConvert pascal (Pa) to atmosphere (atm).
PressureOpenConvert bar (bar) to atmosphere (atm).
PressureOpen
How to convert PSI to atmospheres
How many atmospheres are in a PSI? 1 PSI is about 0.06804596 atmospheres. This free psi to atm converter and PSI to atmosphere calculator gives the answer instantly for any value.
To convert PSI (psi) to atmosphere (atm), multiply the value in PSI by 0.0680459639.
atm = psi × 0.0680459639
- 1
Take the value in PSI
For example, 25 psi.
- 2
Multiply by 0.0680459639
25 × 0.0680459639.
- 3
Read the answer in atmospheres
25 psi = 1.7011491 atm.
PSI to Atmosphere conversion table
Common values from 1 to 1,000 PSI converted to atmospheres.
| PSI (psi) | Atmosphere (atm) |
|---|---|
| 1 psi | 0.06804596 atm |
| 2 psi | 0.13609193 atm |
| 3 psi | 0.20413789 atm |
| 4 psi | 0.27218386 atm |
| 5 psi | 0.34022982 atm |
| 6 psi | 0.40827578 atm |
| 7 psi | 0.47632175 atm |
| 8 psi | 0.54436771 atm |
| 9 psi | 0.61241368 atm |
| 10 psi | 0.68045964 atm |
| 15 psi | 1.02068946 atm |
| 20 psi | 1.36091928 atm |
| 25 psi | 1.7011491 atm |
| PSI (psi) | Atmosphere (atm) |
|---|---|
| 30 psi | 2.04137892 atm |
| 40 psi | 2.72183856 atm |
| 50 psi | 3.4022982 atm |
| 60 psi | 4.08275783 atm |
| 70 psi | 4.76321747 atm |
| 75 psi | 5.10344729 atm |
| 80 psi | 5.44367711 atm |
| 90 psi | 6.12413675 atm |
| 100 psi | 6.80459639 atm |
| 250 psi | 17.01149098 atm |
| 500 psi | 34.02298195 atm |
| 1,000 psi | 68.04596391 atm |
About PSI and atmospheres
PSI (psi)
PSI is pounds-force per square inch, about 6,894.76 pascals. It is the common unit for tyre and air-compressor pressure.
Atmosphere (atm)
A standard atmosphere (atm) is exactly 101,325 pascals, the average air pressure at sea level.
psi to atm: common questions
- How many atmospheres are in 1 PSI?
- 1 PSI is approximately equal to 0.06804596 atmospheres (atm). In short: 1 psi ≈ 0.06804596 atm.
- How do I convert PSI to atmospheres?
- To convert psi to atm, multiply the value in PSI by 0.0680459639. For example, 5 psi = 0.34022982 atm.
- How do I convert atmospheres to PSI?
- Use the Atmosphere to Psi converter, which applies the exact reverse factor.
- What is 10 psi in atm, and what is 100 psi?
- 10 psi = 0.68045964 atm, and 100 psi = 6.80459639 atm. The table above lists more values from 1 to 1,000.
- Is this psi to atm converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
Customize this calculator
Pick a look, copy the code, and this Psi to Atmosphere calculator — with its inputs and results — runs on your own website.
Theme color
Match your brand's colors
Corner style
Sharp, soft or fully rounded
Widget width
Compact, standard or full width
Live preview
Full widthThe same inputs, result and chart as the calculator above, styled with your choices.
yoursite.com