What Is Online Protractor?

Online Protractor is a convenient web-based tool that allows you to measure angles accurately using just your browser—no physical protractor needed. It’s ideal for students, architects, engineers, designers, and DIY enthusiasts who require precise angle measurements anytime, anywhere.

How to Use Camera To Measure?

  1. Launch the Online Protractor web app on your device.
  2. Tap the camera icon to activate your device’s camera.
  3. Align the camera to capture the angle or object whose angle you want to measure.
  4. The app will instantly display the angle measurement on the screen in real-time.

How to Use This Online Protractor?

Where Can I Use the Online Protractor?

You can use the Online Protractor anytime you have internet access, whether at home, school, the office, or in the field. It’s perfect for educational tasks, engineering projects, construction measurements, interior design planning, and a wide variety of DIY activities that require angle precision.

How Does Online Protractor Work?

The tool offers both manual and automatic angle measurement methods. Manual mode interprets angle values entered or adjusted on the visual protractor, while automatic mode leverages your device’s built-in accelerometer to detect its orientation and calculate the corresponding angle in real time.

Benefits of Using Online Protractor

Using an Online Protractor eliminates the need for bulky physical tools, making it highly portable and accessible on any device with a browser. It provides quick, accurate readings without calibration, saves time, and supports various use cases from academic learning to professional engineering.

Supported Devices and Compatibility

Our Online Protractor works seamlessly on desktops, laptops, tablets, and smartphones. It supports all major browsers including Chrome, Firefox, Safari, and Edge. Devices with accelerometer sensors can take advantage of the automatic angle detection feature for enhanced accuracy.

Tips for Accurate Angle Measurement