Atmospheres to Psi Converter
Convert atmosphere to pound per square inch instantly. Type a value below — the result updates as you type.
When you need to convert atmosphere to pound per square inch
Pressure conversions are used for tyre inflation, weather readings, scuba and industrial gauges, and HVAC work, where gauges and manuals may be calibrated in different units.
Typical values: 0.5 atm is about 7.348 psi, and 100 atm works out to roughly 1469.59 psi. Because the ratio is fixed at 14.6959, you can scale any amount linearly — doubling the atmospheres doubles the psi.
A single tyre or gauge spec is often printed in two or three pressure units side by side for international use.
How to convert atmosphere to pound per square inch
One atmosphere equals 14.6959 psi. To convert, multiply the number of atmospheres by 14.6959:
psi = atmospheres × 14.6959
For example, 10 atmospheres × 14.6959 = 146.9595 psi.
Atmospheres to psi conversion table
| Pressure (atm) | Psi (psi) |
|---|---|
| 1 atm | 14.6959 psi |
| 2 atm | 29.3919 psi |
| 3 atm | 44.0878 psi |
| 5 atm | 73.4797 psi |
| 10 atm | 146.9595 psi |
| 20 atm | 293.919 psi |
| 50 atm | 734.7974 psi |
| 100 atm | 1469.59 psi |
FAQ
How many psi are in a atmosphere?
One atmosphere = 14.6959 psi.
How do I convert psi back to atmospheres?
Divide by 14.6959, or use the psi to atmospheres converter.