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  1. Altimeter - Wikipedia

    An altimeter or an altitude meter is an instrument used to measure the altitude of an object above a fixed level. [1] The measurement of altitude is called altimetry, which is related to the term bathymetry, the …

  2. Altimeter | Barometric Pressure, Altitude Measurement & Aviation ...

    altimeter, instrument that measures the altitude of the land surface or any object such as an airplane.

  3. Altimeter - National Geographic Society

    Oct 19, 2023 · An altimeter is a device that measures altitude, the distance of a point above sea level. Altimeters are important navigation instruments for aircraft and spacecraft pilots who monitor their …

  4. Altimeter: A Guide to Altitude and Pressure Measurement

    Sep 17, 2024 · An altimeter measures altitude, or height above sea level, and is used in aviation, mountaineering and scientific research. How to Read an Altimeter is a key skill for anyone relying on …

  5. How Does the Altimeter Work? - measuregadget.com

    Nov 21, 2025 · The altimeter remains fundamental to how aircraft instruments work. Understanding how barometric altimeter works—measuring atmospheric pressure to determine altitude—is essential for …

  6. Altimeter Technology Explained: How We Measure Altitude Across Air ...

    Apr 25, 2025 · An altimeter is one of the most indispensable instruments in both aviation and geospatial science, responsible for measuring altitude —the vertical distance between a reference level, …

  7. Altimeter: What is it, what is it for, types and how it works

    An altimeter is a device that measures altitude, that is, the vertical distance between a certain point and sea level. Its use is essential in various activities such as aviation, mountaineering, and outdoor …

  8. Altimeter - SKYbrary Aviation Safety

    The altimeter provides an output to the transponder system to enable the transmission of the flight level or altitude to the air traffic control.

  9. Altimeter - NOAA's National Weather Service - Glossary

    An instrument that indicates the altitude of an object above a fixed level. Pressure altimeters use an aneroid barometer with a scale graduated in altitude instead of pressure. A correction of the station …

  10. The Science Behind Altimeters: Measuring Altitude with Precision

    May 23, 2025 · Altimeters, devices designed to measure altitude, have evolved from simple barometric instruments to sophisticated electronic systems. Their applications span aviation, mountaineering, …