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...

Choose from our selection of protractors, precision protractors, digital protractors, and more. Same and Next Day Delivery.

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

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 …

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 …

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 180° on it.

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 …

Jul 23, 2025 · What is a Protractor? In geometry, a protractor is a measuring tool used to draw and measure angles. It is typically a flat, semi-circular or circular instrument marked with degrees from 0° …

Jul 1, 2024 · If one look at this tool has you scratching your head, don’t worry! Learning how to use a protractor is actually super easy. In this article, we’ll walk you through how to measure and draw …