Measuring Tools

Online Protractor & Angle Tool

Measure angles on screen with our online protractor. No physical protractor required — perfect for geometry, design, and teaching.

0° angle

Measure angles with precision

Click and drag on the protractor to measure angles in real-time. The tool shows the exact angle in degrees with 1-degree accuracy — perfect for geometry homework, design measurements, and teaching.

Perfect for

  • Geometry homework: Measure angles for math assignments.
  • Design work: Check angles in design projects.
  • Teaching: Demonstrate angle concepts in the classroom.
  • DIY projects: Measure angles for home improvement.

How to use

Click anywhere on the protractor and drag to measure an angle. The display shows the current angle in degrees. A line extends from the center to your cursor position, making it easy to read.

FAQ

Protractor Questions

How does the online protractor work?

Click and drag on the protractor to measure angles. The tool shows the exact angle in degrees, with a visual guide for easy reading.

What can I use the angle tool for?

Perfect for geometry homework, design measurements, teaching angles, and any situation where you need to measure an angle without a physical protractor.

Is the measurement accurate?

Yes — the tool provides precise angle measurements in degrees with 1-degree accuracy. The display updates in real-time as you move.

Can I export my measurement?

Yes — you can export the protractor as a PNG image to save or share your measurement.