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 the background.

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...

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

A protractor is a semicircular geometry tool divided into 180 equal parts, each measuring 1°. It is used for drawing angles of known measures and finding angles of unknown measures and is usually made …

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 0 is on the …

Online Protractor is a web tool designed to measure angles on any surface directly from your web browser. It's perfect for students, designers, engineers, or anyone needing to find precise angle …

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