---
title: "Standard atmospheres to Pounds per square inch converter"
description: "1 standard atmosphere = 14.69595 pounds per square inch. Conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/atmospheres-to-psi/
site: "At One Place"
---

# Standard atmospheres to pounds per square inch

**1 standard atmosphere in pounds per square inch: 1 atm = 14.69595 psi**

psi = atm × 14.69594878

To convert standard atmospheres to pounds per square inch, multiply by 14.69594878. The table below gives the values people look up most often, and the converter works for any number.

## Standard atmospheres to pounds per square inch table

*Common standard atmosphere values converted to pounds per square inch.*

| Standard atmospheres | Pounds per square inch |
| --- | --- |
| 1 atm | 14.69595 |
| 2 atm | 29.3919 |
| 3 atm | 44.08785 |
| 4 atm | 58.7838 |
| 5 atm | 73.47974 |
| 10 atm | 146.9595 |
| 15 atm | 220.4392 |
| 20 atm | 293.919 |
| 25 atm | 367.3987 |
| 30 atm | 440.8785 |
| 40 atm | 587.838 |
| 50 atm | 734.7974 |
| 75 atm | 1,102.1962 |
| 100 atm | 1,469.5949 |
| 250 atm | 3,673.9872 |
| 500 atm | 7,347.9744 |
| 1,000 atm | 14,695.949 |

## How the conversion works

The relationship is psi = atm × 14.69594878. Both units measure pressure, so the conversion is a fixed factor that never changes.

## Common questions

### How many pounds per square inch are in one standard atmosphere?

One standard atmosphere equals 14.69595 pounds per square inch. psi = atm × 14.69594878.

### How do you convert standard atmospheres to pounds per square inch?

Use psi = atm × 14.69594878. So 10 atm is 146.9595 psi.

### How many standard atmospheres are in one pound per square inch?

One pound per square inch equals 0.068046 standard atmospheres, which is the reverse of the conversion above.

## Related pages

- [Pounds per square inch to Standard atmospheres](https://atoneplace.net/convert/psi-to-atmospheres/)
- [Standard atmospheres to Pascals](https://atoneplace.net/convert/atmospheres-to-pascals/)
- [Standard atmospheres to Kilopascals](https://atoneplace.net/convert/atmospheres-to-kilopascals/)
- [Standard atmospheres to Bars](https://atoneplace.net/convert/atmospheres-to-bar/)
- [Standard atmospheres to Torrs](https://atoneplace.net/convert/atmospheres-to-torr/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)