Atmosphere to Pound per square inch Converter
1 atm = 14.695949 psi — convert instantly with formula and table.
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Quick answer: one atmosphere equals 14.6959 pounds per square inch. So to convert atmospheres to pounds per square inch, multiply by 14.69594878.
How to convert atmospheres to pounds per square inch
pounds per square inch = atmospheres × 14.6959487755
The standard atmosphere (101,325 Pa) represents average sea-level air pressure — the natural reference for diving depth and chemistry.
PSI is the imperial pressure unit of American tire gauges (32–35 psi for cars) and industrial equipment.
Atmosphere to Pound per square inch conversion table
| Atmosphere (atm) | Pound per square inch (psi) |
|---|---|
| 0.01 atm | 0.146959 psi |
| 0.1 atm | 1.4696 psi |
| 0.25 atm | 3.674 psi |
| 0.4 atm | 5.8784 psi |
| 0.75 atm | 11.022 psi |
| 1.25 atm | 18.3699 psi |
| 1.75 atm | 25.7179 psi |
| 2.5 atm | 36.7399 psi |
| 3.5 atm | 51.4358 psi |
| 4.5 atm | 66.1318 psi |
| 6 atm | 88.1757 psi |
| 8 atm | 117.5676 psi |
| 10 atm | 146.9595 psi |
| 12 atm | 176.3514 psi |
| 14 atm | 205.7433 psi |
| 16 atm | 235.1352 psi |
| 18 atm | 264.5271 psi |
| 20 atm | 293.919 psi |
| 24 atm | 352.7028 psi |
| 26 atm | 382.0947 psi |
| 30 atm | 440.8785 psi |
| 35 atm | 514.3582 psi |
| 45 atm | 661.3177 psi |
| 55 atm | 808.2772 psi |
| 65 atm | 955.2367 psi |
| 75 atm | 1,102.2 psi |
| 85 atm | 1,249.16 psi |
| 95 atm | 1,396.12 psi |
| 110 atm | 1,616.55 psi |
| 125 atm | 1,836.99 psi |
| 175 atm | 2,571.79 psi |
| 250 atm | 3,673.99 psi |
| 350 atm | 5,143.58 psi |
| 450 atm | 6,613.18 psi |
| 600 atm | 8,817.57 psi |
| 750 atm | 11,021.96 psi |
| 900 atm | 13,226.35 psi |
| 1,500 atm | 22,043.92 psi |
| 2,500 atm | 36,739.87 psi |
| 10,000 atm | 146,959.49 psi |
Need the opposite direction? Use the Pound per square inch to Atmosphere converter, or read our complete guide to pressure conversions for every formula in one place.
Frequently asked questions
How many pounds per square inch are in one atmosphere?
One atmosphere equals 14.6959 pounds per square inch. Multiply any atmosphere value by 14.69594878 to get pounds per square inch.
What is 10 atmospheres in pounds per square inch?
10 atmospheres equal 146.9595 pounds per square inch (10 × 14.695949).
Is the atmosphere to pound per square inch conversion exact?
The conversion factor used here (14.6959487755) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.