A handy and accurate on-screen online ruler in inches and centimeters/millimeters. For any device.

This website measures the size of your screen and creates the image of a ruler that is the actual size.

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

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.

Our online actual size ruler allows you to take measurements in millimeters, centimeters and inches all at once, giving you the most accurate information. If you need to accurately measure …

Ruler Online is a convenient and accurate online ruler on the screen in inches and centimeters/millimeters for any device, be it a desktop, laptop or mobile phone. Getting started …

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!

The ruler adapts to your device's screen size, ensuring accurate measurements. To improve the ruler's precision, our tool offers calibration using predefined standard sizes, such as a credit …

Our Fullscreen Ruler provides a checkered, notebook-style ruler that can be customized to your requirements. It accommodates both centimeters and inches, delivering a genuine fullscreen …

Screen sized online ruler to measure anything virtually. Calibrated online and printable ruler for true to size on most resolution screens.