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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.
Use this online ruler to measure objects in centimeters or millimeters with accurate scaling.
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 a virtual online ruler, no need to install, just use it directly, you can measure the length on the screen, very convenient, this online ruler in the vertical direction is more suitable for measuring length on the mobile phone screen.
Screen sized online ruler to measure anything virtually. Calibrated online and printable ruler for true to size on most resolution screens.
Our application creates a virtual ruler equivalent to a real ruler in inches and centimeters on your display. How to use the Online Ruler: 1. Make sure the application correctly detected the size of your device’s screen. If the measurement is incorrect - specify your screen size in inches manually. Click the “save changes” button. 2.
This website measures the size of your screen and creates the image of a ruler that is the actual size.
