This is a convenient online ruler that could be calibrated to actual size, measurements in cm, mm and inch, the upper half is the millimeter ruler and centimeter ruler, the lower half is an inch ruler.

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.

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

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The Online Ruler Tool is a simple and accurate way to measure objects directly from your screen. It allows users to measure in centimeters (cm), millimeters (mm), and inches without needing a physical ruler.

Enter visible screen width below to calibrate ruler.

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!

Free online ruler tool for measuring inches (in), centimeters (cm) and millimeters (mm)! The ruler scales to actual size based on your screen size. Every device has a different pixel density, so we auto-detect your device and scale the ruler accordingly.

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.

This virtual ruler allows you to have a life-sized ruler to measure the length of small objects in inches centimeters or millimeters. To use the digital ruler, you just have to select the desired unit of measurement: inches (green color) = IN and centimeters (gray color) = CM.