---
title: "Torrs to Inches of mercury — Torr to inHg converter"
description: "1 torr = 0.03937 inches of mercury. Convert torrs to inches of mercury with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/torr-to-inches-of-mercury/
site: "At One Place"
---

# Torrs to inches of mercury

**1 torr in inches of mercury: 1 Torr = 0.03937 inHg**

inHg = Torr × 0.03937006895

To convert torrs to inches of mercury, multiply by 0.03937006895. The table below gives the values people look up most often, and the converter works for any number.

## Torrs to inches of mercury table

*Common torr values converted to inches of mercury.*

| Torrs | Inches of mercury |
| --- | --- |
| 1 Torr | 0.03937 |
| 2 Torr | 0.07874 |
| 3 Torr | 0.11811 |
| 4 Torr | 0.15748 |
| 5 Torr | 0.19685 |
| 10 Torr | 0.3937 |
| 15 Torr | 0.59055 |
| 20 Torr | 0.7874 |
| 25 Torr | 0.98425 |
| 30 Torr | 1.181102 |
| 40 Torr | 1.574803 |
| 50 Torr | 1.968503 |
| 75 Torr | 2.952755 |
| 100 Torr | 3.937007 |
| 250 Torr | 9.842517 |
| 500 Torr | 19.68503 |
| 1,000 Torr | 39.37007 |

## How the conversion works

The relationship is inHg = Torr × 0.03937006895. Both units measure pressure, so the conversion is a fixed factor that never changes.

## Common questions

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

One torr equals 0.03937 inches of mercury. inHg = Torr × 0.03937006895.

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

Use inHg = Torr × 0.03937006895. So 10 Torr is 0.3937 inHg.

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

One inch of mercury equals 25.40001 torrs, which is the reverse of the conversion above.

## Related pages

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

## 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/)