Online Ruler and Protractor

What it does

Free online protractor that supports camera use for accurate measurements not only by placing objects on your phone's screen but also by utilizing your camera if needed. It supports any screen size.

Online ruler to quickly measure objects on any device with any screen size. Accurate, user-friendly, supports both cm and inches. Perfect for instant size checks without needing any tools!

We couldn't recognize your device automatically. Try again, or calibrate manually. Ever needed to measure something but found yourself without a ruler? Our online ruler is here to help you solve this problem! It's a virtual ruler that lets you measure small objects in inches or centimeters right on your screen. Whether you're using a computer, tablet, phone, or even a smart TV, you can make accurate measurements. Yes, our online ruler made to be as accurate as possible. However, the accuracy can depend on your device screen size, its pixel density (PPI), and your privacy settings. That's why we have included a way for you to calibrate the ruler to match your specific…from onlinerulers.com

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