---
title: "Altimeter setting to sea level — aviation glossary — OnlyPlanes"
description: "The altimeter pressure setting used to indicate barometric altitude above mean sea level."
canonical_url: "https://onlyplanes.ru/en/learn/qnh"
locale: en
meta:
  keywords: "Altimeter setting to sea level, Altimeter setting to sea level, QNH Pressure"
  "og:description": "The altimeter pressure setting used to indicate barometric altitude above mean sea level."
  "og:image": "https://onlyplanes.ru/images/aviation/aircraft/boeing-787.webp"
  "og:title": "Altimeter setting to sea level — aviation glossary"
---

> Index of every page on this site: [llms.txt](https://onlyplanes.ru/llms.txt)

Aviation abbreviation

# Altimeter setting to sea level

QNH Pressure

ABBR · Meteorology

At a glance

## Meaning of Altimeter setting to sea level

The altimeter pressure setting used to indicate barometric altitude above mean sea level.

### More about Altimeter setting to sea level

Correct QNH gives an indication close to aerodrome elevation when the aircraft is on the relevant reference surface.

It differs from QFE and from the standard setting used for flight levels. Temperature and other effects can still make indicated altitude differ from true geometric altitude.

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