Online Protractor
Use our free online protractor to measure angles. Perfect for students, woodworkers, and DIY projects. No app download needed.
Click center
0°
Click anywhere to place the center point
How to use
Click to place center. Click twice to set two arms. The angle between them is measured.
Angle
0°
Click on the protractor to measure angles. Click center → first point → second point. Works best on desktop with a mouse.