---
title: "Bars to Standard atmospheres — bar to atm converter"
description: "1 bar = 0.98692 standard atmospheres. Convert bars to standard atmospheres with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/bar-to-atmospheres/
site: "At One Place"
---

# Bars to standard atmospheres

**1 bar in standard atmospheres: 1 bar = 0.98692 atm**

atm = bar × 0.9869232667

To convert bars to standard atmospheres, multiply by 0.9869232667. The table below gives the values people look up most often, and the converter works for any number.

## Bars to standard atmospheres table

*Common bar values converted to standard atmospheres.*

| Bars | Standard atmospheres |
| --- | --- |
| 1 bar | 0.98692 |
| 2 bar | 1.973847 |
| 3 bar | 2.96077 |
| 4 bar | 3.947693 |
| 5 bar | 4.934616 |
| 10 bar | 9.869233 |
| 15 bar | 14.80385 |
| 20 bar | 19.73847 |
| 25 bar | 24.67308 |
| 30 bar | 29.6077 |
| 40 bar | 39.47693 |
| 50 bar | 49.34616 |
| 75 bar | 74.01925 |
| 100 bar | 98.69233 |
| 250 bar | 246.7308 |
| 500 bar | 493.4616 |
| 1,000 bar | 986.9233 |

## How the conversion works

The relationship is atm = bar × 0.9869232667. Both units measure pressure, so the conversion is a fixed factor that never changes.

## Common questions

### How many standard atmospheres are in one bar?

One bar equals 0.98692 standard atmospheres. atm = bar × 0.9869232667.

### How do you convert bars to standard atmospheres?

Use atm = bar × 0.9869232667. So 10 bar is 9.869233 atm.

### How many bars are in one standard atmosphere?

One standard atmosphere equals 1.01325 bars, which is the reverse of the conversion above.

## Related pages

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