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.

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

Free online ruler for accurate measuring in inches, centimeters, and millimeters. Use our real size digital ruler on any phone, tablet, or computer.

Online ruler help you measuring the actual size of any objects length, width, and height in inch ruler in your computer screen.

Enter visible screen width below to calibrate ruler.

Free online ruler tool showing actual size measurements. Measure objects in inches, centimeters, or millimeters directly on your screen. Calibrate for accurate measurements.

Measure in cm, inches, or mm with this accurate online ruler. A real-size, printable tool for desktop or phone that works vertically or horizontally.

Measure objects accurately in inches with our online inch ruler. Perfect for when a traditional ruler isn't handy, our tool adapts to your device screen size, ensuring you get precise …

An online screen ruler tool for accurate on-screen measurements. Measure in actual size using centimeters, millimeters, inches, or pixels.

Yes, I am using 17" Monitor . Save this settings. I don't know what monitor size is.