---
title: "Inches of mercury to Pascals — inHg to Pa converter"
description: "1 inch of mercury = 3,386.389 pascals. Convert inches of mercury to pascals with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/inches-of-mercury-to-pascals/
site: "At One Place"
---

# Inches of mercury to pascals

**1 inch of mercury in pascals: 1 inHg = 3,386.389 Pa**

Pa = inHg × 3,386.389

To convert inches of mercury to pascals, multiply by 3,386.389. The table below gives the values people look up most often, and the converter works for any number.

## Inches of mercury to pascals table

*Common inch of mercury values converted to pascals.*

| Inches of mercury | Pascals |
| --- | --- |
| 1 inHg | 3,386.389 |
| 2 inHg | 6,772.778 |
| 3 inHg | 10,159.167 |
| 4 inHg | 13,545.556 |
| 5 inHg | 16,931.945 |
| 10 inHg | 33,863.89 |
| 15 inHg | 50,795.835 |
| 20 inHg | 67,727.78 |
| 25 inHg | 84,659.725 |
| 30 inHg | 101,591.67 |
| 40 inHg | 135,455.56 |
| 50 inHg | 169,319.45 |
| 75 inHg | 253,979.18 |
| 100 inHg | 338,638.9 |
| 250 inHg | 846,597.25 |
| 500 inHg | 1,693,194.5 |
| 1,000 inHg | 3,386,389 |

## How the conversion works

The relationship is Pa = inHg × 3,386.389. Both units measure pressure, so the conversion is a fixed factor that never changes.

## Common questions

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

One inch of mercury equals 3,386.389 pascals. Pa = inHg × 3,386.389.

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

Use Pa = inHg × 3,386.389. So 10 inHg is 33,863.89 Pa.

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

One pascal equals 0.0002953 inches of mercury, which is the reverse of the conversion above.

## Related pages

- [Pascals to Inches of mercury](https://atoneplace.net/convert/pascals-to-inches-of-mercury/)
- [Inches of mercury to Kilopascals](https://atoneplace.net/convert/inches-of-mercury-to-kilopascals/)
- [Inches of mercury to Bars](https://atoneplace.net/convert/inches-of-mercury-to-bar/)
- [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/)