Protractor - Angle Measure

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About this app

Protractor is a simple angle measuring tool that turns your phone into a digital protractor. Point the camera at an object and use the on-screen half circle protractor to measure angles directly on real-world objects.

If you need to measure the angle of a wall, check the slope of a ramp, read a roof pitch angle, or find the angle between two lines, this camera protractor puts a clear 180 degree protractor on your screen. It also works as an angle meter, an angle finder and a digital protractor for everyday measuring tasks.

WHY THIS PROTRACTOR

* Camera protractor: overlay a 180 degree protractor on the live camera view and measure angles on real objects
* Touch to measure: drag the on-screen line to match an edge and read the degree value instantly
* Large degree display: the angle value is shown in a big, easy-to-read number
* Landscape full screen: a wide, clean workspace for measuring the angle of a wall, corner, table or slope
* Simple and lightweight: a small protractor app that opens quickly and is also handy as a protractor for tablet use
* Works on Android phones and tablets

WHAT YOU CAN MEASURE

* Measure the angle of a wall, a corner, or the edge of a room
* Measure the angle of a cut for woodworking, carpentry and DIY projects
* Measure slope angle, tilt of a surface, and the angle of a ramp
* Measure roof pitch angle and the angle of a staircase
* Measure the angle of a triangle and other shapes for geometry practice
* Measure the angle between two lines on an object
* Use it as a simple protractor for students learning how to use a protractor
* Use it as a screen protractor to measure an angle on screen or from an image

HOW TO USE IT

1. Open the app and allow camera access
2. Point the camera at the object you want to measure
3. Drag the on-screen protractor line to match the object edge
4. Read the degree value on the display

WHO IT IS FOR
This angle measuring tool is designed for students, teachers, builders, carpenters, engineers and anyone working on home projects. It can be useful as an angle finder for construction, a degree finder tool, and a digital protractor for checking corners, edges and joints.

It can also be a useful ruler and protractor companion when you need to check an angle or make a quick measurement.

CONVENIENT AND FOCUSED
No long setup and no complicated menus. Open the protractor, aim the camera, drag the line, and read the angle.

This lightweight protractor works offline, so you can measure an angle or check the slope of a surface without a network connection.

Whether you call it a protractor, an angle meter, an angle finder or an angle reader, the app provides a simple way to measure angles on real objects.

SUPPORTED LANGUAGES
English, Spanish, French, Japanese, Korean, Simplified Chinese and Traditional Chinese.

Start measuring angles on real objects with a camera protractor that keeps the reading simple and clear.

What’s new

Updated SDKs for better stability, performance, and compatibility with the latest Android versions.