How to use Altimeter

Steps, videos and tips for the tool.

Measure height differences between floors or spots with the barometer, calibrate the altitude and add up the ascent of a walk.

Watch how it works.

Altimeter, shown inside a phone casing

Video coming soon

Getting started

Choose where the height difference starts

Open the altimeter where you start. It zeroes itself there; tap Zero here to count from another spot.

This is a still image. The how-to video has not been recorded yet.

Read the steps

Basics

Step by step.

Get started

  1. Choose where the height difference starts

    Open the altimeter where you start. It zeroes itself there; tap Zero here to count from another spot.

Measure

  1. Measure another floor or spot

    Carry the phone to the other spot and hold it still to read the height difference in meters or floors.

Calibrate

  1. Calibrate altitude or record a walk

    On Altitude, calibrate from GPS, a known elevation or the sea-level pressure. On Walk, tap Start to add up the ascent and descent.

Guided tour

Try these steps in the app. All tour instructions stay readable here.

  1. Choose where the height difference starts

    Open the altimeter where you start. It zeroes itself there; tap Zero here to count from another spot.

  2. Measure another floor or spot

    Carry the phone to the other spot and hold it still to read the height difference in meters or floors.

  3. Calibrate altitude or record a walk

    On Altitude, calibrate from GPS, a known elevation or the sea-level pressure. On Walk, tap Start to add up the ascent and descent.

Get the tool.

Find Altimeter in these apps.

ClinometerToolbox

Tips.

Weather changes air pressure by about 1 hPa, or 8 m, within hours. Zero again before each measurement and keep the phone out of wind and air conditioning.

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