Measure angles with a draggable protractor, or open a photo (a roof, a ramp, a drawing) and measure the angle right on it.
loading toolHow to use the online protractor
- Drag the pink dot onto the corner of the angle.
- Drag the two blue dots along each side.
- Read the angle at the top. Open a photo to measure something in it.
Questions
Is my data private?
Yes. Everything happens inside your own browser: nothing you type or choose is uploaded to us or anyone else.
Is it free?
Completely free, with no sign-up, no watermark and no limit on how many times you use it. Light ads keep the site running.
