---
title: "Inches of mercury to Bars — inHg to bar converter"
description: "1 inch of mercury = 0.033864 bars. Convert inches of mercury to bars with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/inches-of-mercury-to-bar/
site: "At One Place"
---

# Inches of mercury to bars

**1 inch of mercury in bars: 1 inHg = 0.033864 bar**

bar = inHg × 0.03386389

To convert inches of mercury to bars, multiply by 0.03386389. The table below gives the values people look up most often, and the converter works for any number.

## Inches of mercury to bars table

*Common inch of mercury values converted to bars.*

| Inches of mercury | Bars |
| --- | --- |
| 1 inHg | 0.033864 |
| 2 inHg | 0.067728 |
| 3 inHg | 0.10159 |
| 4 inHg | 0.13546 |
| 5 inHg | 0.16932 |
| 10 inHg | 0.33864 |
| 15 inHg | 0.50796 |
| 20 inHg | 0.67728 |
| 25 inHg | 0.8466 |
| 30 inHg | 1.015917 |
| 40 inHg | 1.354556 |
| 50 inHg | 1.693195 |
| 75 inHg | 2.539792 |
| 100 inHg | 3.386389 |
| 250 inHg | 8.465972 |
| 500 inHg | 16.93194 |
| 1,000 inHg | 33.86389 |

## How the conversion works

The relationship is bar = inHg × 0.03386389. Both units measure pressure, so the conversion is a fixed factor that never changes.

## Common questions

### How many bars are in one inch of mercury?

One inch of mercury equals 0.033864 bars. bar = inHg × 0.03386389.

### How do you convert inches of mercury to bars?

Use bar = inHg × 0.03386389. So 10 inHg is 0.33864 bar.

### How many inches of mercury are in one bar?

One bar equals 29.52998 inches of mercury, which is the reverse of the conversion above.

## Related pages

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