Online Ruler will help you to take actual size measurements of any object in mm, cm, and inches. Also, it's free and easy to use. Your current screen resolution is pixels.

Online Ruler in Actual Size (inches, cm/mm) — measure something! For the ruler to display correctly (i.e., in proportion to the actual physical size), it must be calibrated. You can calibrate it in one of the following two ways: This is the most reliable and easy way. Specify the size of the diagonal of your screen in inches (").

This is an accurate online ruler that helps you measure the actual size of any object using your computer screen or mobile phone

Check actual size / Online Ruler (cm/mm) Actual size of Online Ruler (cm/mm) 30CM / 300mm. width:300.0mm (11.81Inch) {as_size} / {as_monitor} full screen drag it iframe embed. Related Items. Inch Ruler; Label. online ruler ... I don't know what monitor size is. ...

iRuler.net are trying to detect size of your screen and then shows ruler in actual size. We are using machine learning to identifying your device, so each time you specifying correct size you are making our Ruler smarter.

A free online ruler tool that works on any device, and automatically scales based on your screen size and DPI. Measure with confidence for free, anytime, anywhere!

Enter visible screen width below to calibrate ruler.

Our innovative app provides actual size measurements with just a few clicks. Whether you're measuring objects or spaces or checking dimensions, our easy-to-use tool ensures accurate results. Skip to content

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!

Turn your screen into a ruler online! Measure actual sizes with Get Ruler in centimeters, inches or pixels. No need for measuring tapes or rulers.