1 atm to psi

Updated July 2026

1 atm equals 14.6959 psi

1 atmosphere = 14.6959 psi. That is how many psi there are in 1 atmosphere. Enter any value in the free pressure converter to convert atmospheres to psi (and every other unit) instantly — it runs privately in your browser.

Formula: Multiply by 14.6959 — 1 atmosphere = 14.6959 psi. So 1 × 14.6959 = 14.6959 psi.

atm to psi conversion table

atmosphere (atm)psi (psi)
0.25 atm3.674 psi
0.5 atm7.348 psi
0.75 atm11.022 psi
1 atm14.6959 psi
1.25 atm18.3699 psi
1.5 atm22.0439 psi
1.75 atm25.7179 psi

Frequently asked questions

How many psi is 1 atmosphere?
1 atmosphere is 14.6959 psi. Multiply atm by 14.6959 to get psi.
What is 1 atm to psi?
1 atmosphere = 14.6959 psi.
How do you convert atm to psi?
Multiply by 14.6959 — 1 atmosphere = 14.6959 psi. So 1 × 14.6959 = 14.6959 psi.

Other atm to psi conversions

Convert 1 atm to other units