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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.
Use this online ruler to measure objects in centimeters or millimeters with accurate scaling.
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.
27 lis 2022 · Make approximate measurements in an image, using an object with known size for scale. Online, without upload, simple and free. For the best accuracy, the objects should be close to each other — unlike in the sample image below.
Online Ruler - cm, mm, inches. 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.
This website measures the size of your screen and creates the image of a ruler that is the actual size.
Choose your preferred unit of measurement (cm or inches) using the settings button. Adjust the Pixel Density (PPI) to match your screen's specifications for accurate scaling. The ruler will display on your screen, allowing you to measure objects or distances directly on your device.
