Standard atmospheres to Pounds-force per square inch – standard atmosphere to pound-force per square inch Converter
1 atm ≈ 14.6959 psi
Formula
psi = atm × ≈ 14.6959
Standard atmospheres to pounds-force per square inch conversion table
| standard atmospheres (atm) | pounds-force per square inch (psi) |
|---|---|
| 0.25 atm | 3.67399 psi |
| 0.5 atm | 7.34797 psi |
| 1 atm | ≈ 14.6959 psi |
| 2 atm | 29.3919 psi |
| 5 atm | 73.4797 psi |
| 10 atm | 146.959 psi |
| 20 atm | 293.919 psi |
| 50 atm | 734.797 psi |
| 100 atm | 1469.59 psi |
| 200 atm | 2939.19 psi |
| 500 atm | 7347.97 psi |
| 1000 atm | 14695.9 psi |
| 2500 atm | 36739.9 psi |
| 5000 atm | 73479.7 psi |
| 10000 atm | 146959 psi |
Standard atmospheres and pounds-force per square inch are both pressure units. One standard atmosphere is approximately 14.6959 pounds-force per square inch; enter any value above for an instant result, or use the table for common conversions.
Sanity-check examples
1 atm = 14.6959 psi10 atm = 146.959 psi2.5 atm = 36.7399 psi
Common pitfalls and look-alike units
One standard atmosphere is exactly 101325 Pa while 1 bar is 100000 Pa — about 1.3% apart, so do not mix them. Tire pressures are often quoted in psi or bar (1 bar ≈ 14.5 psi, 1 psi ≈ 6.895 kPa); millimeter of mercury uses the conventional value 1 mmHg = 133.322387415 Pa.
Frequently asked questions
How many pounds-force per square inch are in a standard atmosphere?
1 standard atmosphere (atm) is approximately 14.6959 pound-force per square inch (psi).
How do I convert standard atmospheres to pounds-force per square inch?
Multiply the standard atmosphere value by ≈ 14.6959 to get pound-force per square inch — for example, 2 standard atmospheres = 29.3919 pound-force per square inch.
How do I convert pounds-force per square inch back to standard atmospheres?
1 pound-force per square inch is approximately 0.068046 standard atmosphere. Use the swap button or the reverse conversion page linked on this page.