Choose a picture as the background, the background can be zoom in or out, as well as moved, and our protractor can measure directly on the picture. You can drag and drop a picture into …

Free online protractor tool for digital angle measurement. Web-based protractor with precise measurement capabilities, smart alignment features, and instant results.

This is a protractor, it helps us measure angles (in degrees): Have a look at this animation (press the play button) to see how to make a neat...

Interactive digital protractor featuring 180° and 360° modes, printable PDF versions, step-by-step tutorials, and educational content. Perfect for students, teachers, engineers, and geometry …

Use our free Protractor Online Ruler to measure angles directly on your screen. Perfect for students, teachers, and designers.

Easily measure angles using an interactive whiteboard angle simulator. Online protractor for angle problems with acute, obtuse, and reflex angles. Explore complementary, supplementary, and …

When using a protractor, notice that the outside set of numbers goes from 0 to 180 degrees where the 0 is on the left side of the protractor while the inner set goes from 180 to 0 degrees where …

Free online protractor that supports camera use for accurate measurements not only by placing objects on your phone's screen but also by utilizing your camera if needed. It supports any …

A protractor is a simple measuring instrument that is used to measure angles. A common protractor is in the shape of a semicircle with an inner and outer scale with markings from 0° to …

Free online protractor tool, no download required, supports web and mobile use. Easily measure any angle, suitable for students, teachers, designers and other users.