How many psi are in one atm?
One standard atmosphere is about 14.69594878 psi.
Convert Standard atmosphere (atm) to Pound per square inch (psi) instantly.
Calculation
value × 14.6959487755
| Quick Conversion | Converted |
|---|---|
| 1 atm | 14.695949 psi |
| 5 atm | 73.479744 psi |
| 10 atm | 146.959488 psi |
| 100 atm | 1,469.594878 psi |
| 1,000 atm | 14,695.948776 psi |
A standard atmosphere is a pressure unit defined as exactly 101,325 pascals.
The atmosphere unit became useful as a reference for average sea-level pressure in science and education.
atm is used in chemistry, gas laws, diving references, laboratory work, classroom problems, and pressure comparisons.
Pound per square inch is a pressure unit based on one pound-force applied over one square inch.
Psi became common in US customary pressure measurement and remains widely used on gauges and equipment labels.
psi is used for tires, compressors, hydraulics, pneumatics, pressure gauges, industrial equipment, and service documentation.
Mathematically, pound per square inch (psi) = standard atmosphere (atm) converted with the formula below.
1 atm = 14.695949 psi
1 psi = 0.068046 atm
Formula: value × 14.6959487755
Example: 15 atm = 220.439232 psi
Precision note: Use 1 atm = 14.69594878 psi. Avoid rounding to 15 psi when the result needs technical accuracy.
1 atm = 14.695949 psi
1 psi = 0.068046 atm
| Standard atmosphere [atm] | Pound per square inch [psi] |
|---|---|
| 0.01 atm | 0.146959 psi |
| 0.1 atm | 1.469595 psi |
| 1 atm | 14.695949 psi |
| 2 atm | 29.391898 psi |
| 5 atm | 73.479744 psi |
| 10 atm | 146.959488 psi |
| 20 atm | 293.918976 psi |
| 50 atm | 734.797439 psi |
| 100 atm | 1,469.594878 psi |
One standard atmosphere is about 14.69594878 psi.
3 atm is about 44.08784634 psi.
No. 15 psi is a rough approximation; one standard atmosphere is about 14.6959 psi.