Skip to content

psi to atm converter

1 pounds per square inch equals 0.06804596 standard atmospheres. Conversions use atm = psi × 0.068046

psi → 0.06804596 atm

atm = psi × 0.068046

Converter

Worked examples

1 psi = 0.06804596 atm
2 psi = 0.13609193 atm
5 psi = 0.34022982 atm
10 psi = 0.68045964 atm
100 psi = 6.804596 atm

pounds per square inch to standard atmospheres conversion table

psi	atm	Arithmetic
1 psi	0.06804596 atm	× 0.068046
2 psi	0.13609193 atm	× 0.068046
3 psi	0.20413789 atm	× 0.068046
4 psi	0.27218386 atm	× 0.068046
5 psi	0.34022982 atm	× 0.068046
6 psi	0.40827578 atm	× 0.068046
8 psi	0.54436771 atm	× 0.068046
10 psi	0.68045964 atm	× 0.068046
12 psi	0.81655157 atm	× 0.068046
15 psi	1.020689 atm	× 0.068046
20 psi	1.360919 atm	× 0.068046
25 psi	1.701149 atm	× 0.068046
30 psi	2.041379 atm	× 0.068046
40 psi	2.721839 atm	× 0.068046
50 psi	3.402298 atm	× 0.068046
60 psi	4.082758 atm	× 0.068046
70 psi	4.763217 atm	× 0.068046
80 psi	5.443677 atm	× 0.068046
90 psi	6.124137 atm	× 0.068046
100 psi	6.804596 atm	× 0.068046

How to convert psi to atm

Take your value in pounds per square inch.
Multiply by 0.068046
That is your answer in standard atmospheres — no rounding needed until you choose a display precision.

atm to psi kPa to atm bar to atm psi to kPa psi to bar psi to mmHg psi to inHg psi to hPa psi to MPa all pressure units

Questions

How many standard atmospheres in 1 pounds per square inch?

Exactly 0.06804596 atm. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert psi to atm?

Multiply the pounds per square inch figure by 0.068046 — or use the converter above, which updates as you type.

Is psi to atm the same as atm to psi?

No — they are inverses. One psi is 0.06804596 atm, while one atm is 14.695949 psi.

What is 1 psi in atm?

1 psi = 0.06804596 atm (see the value page for the full arithmetic).