At One Place

Pounds per square inch to standard atmospheres

1 pound per square inch in standard atmospheres
1 psi = 0.068046 atm
atm = psi × 0.06804596391

To convert pounds per square inch to standard atmospheres, multiply by 0.06804596391. The table below gives the values people look up most often, and the converter works for any number.

Pounds per square inch to standard atmospheres table

Common pound per square inch values converted to standard atmospheres.
Pounds per square inch Standard atmospheres
1 psi 0.068046
2 psi 0.13609
3 psi 0.20414
4 psi 0.27218
5 psi 0.34023
10 psi 0.68046
15 psi 1.020689
20 psi 1.360919
25 psi 1.701149
30 psi 2.041379
40 psi 2.721839
50 psi 3.402298
75 psi 5.103447
100 psi 6.804596
250 psi 17.01149
500 psi 34.02298
1,000 psi 68.04596

How the conversion works

The relationship is atm = psi × 0.06804596391. Both units measure pressure, so the conversion is a fixed factor that never changes.

Common questions

How many standard atmospheres are in one pound per square inch?
One pound per square inch equals 0.068046 standard atmospheres. atm = psi × 0.06804596391.
How do you convert pounds per square inch to standard atmospheres?
Use atm = psi × 0.06804596391. So 10 psi is 0.68046 atm.
How many pounds per square inch are in one standard atmosphere?
One standard atmosphere equals 14.69595 pounds per square inch, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked