---
title: "Pounds per square inch to Standard atmospheres converter"
description: "1 pound per square inch = 0.068046 standard atmospheres. Conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/psi-to-atmospheres/
site: "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

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