1 standard atmosphere = 14.6959 pounds per square inch
Convert standard atmospheres to pounds per square inch.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
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The formula
psi = atm × 14.6959
Worked through with a real value: 10 standard atmospheres = 146.959 pounds per square inch.
Going the other way: atm = psi × 0.068046, so 1 pound per square inch = 0.068046 standard atmospheres.
What each unit is
- standard atmosphere atm
- The average atmospheric pressure at sea level, used as a reference point for high-pressure industrial work.
- pound per square inch psi
- Pounds per square inch, the everyday unit for tyre pressure, boiler safety ratings and industrial pressure gauges.
Where these come from
- 1 standard atmosphere = 101325 pascals
- 1 pound per square inch = 6894.757293168361 pascals
Every other number on this page is computed from those, and each category is pinned to conversions worked out by hand from the units' primary definitions before it ships.
Conversion tables
| standard atmospheres (atm) | pounds per square inch (psi) |
|---|---|
| 1 | 14.6959 |
| 2 | 29.3919 |
| 3 | 44.0878 |
| 4 | 58.7838 |
| 5 | 73.4797 |
| 6 | 88.1757 |
| 7 | 102.872 |
| 8 | 117.568 |
| 9 | 132.264 |
| 10 | 146.959 |
| 20 | 293.919 |
| 25 | 367.399 |
| 50 | 734.797 |
| 75 | 1102.2 |
| 100 | 1469.59 |
| pounds per square inch (psi) | standard atmospheres (atm) |
|---|---|
| 1 | 0.068046 |
| 2 | 0.136092 |
| 3 | 0.204138 |
| 4 | 0.272184 |
| 5 | 0.34023 |
| 6 | 0.408276 |
| 7 | 0.476322 |
| 8 | 0.544368 |
| 9 | 0.612414 |
| 10 | 0.68046 |
| 20 | 1.36092 |
| 25 | 1.70115 |
| 50 | 3.4023 |
| 75 | 5.10345 |
| 100 | 6.8046 |
Questions
How many pounds per square inch are in a standard atmosphere?
1 standard atmosphere = 14.6959 pounds per square inch.
How do I convert standard atmospheres to pounds per square inch?
Use psi = atm × 14.6959. For example, 10 standard atmospheres = 146.959 pounds per square inch.
How many standard atmospheres are in one pound per square inch?
1 pound per square inch = 0.068046 standard atmospheres.
What is 10 standard atmospheres in pounds per square inch?
10 standard atmospheres = 146.959 pounds per square inch.
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