There are so many lines on a ruler, it can get confusing to figure out what they all mean. Website shows ruler in real size based on your monitor size. This page i will teach you how to read rulers.
How does online ruler works?
This section contains numerous games, teacher tools, videos, online activities and printable resources related to measurement. It uses the canvas element. 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. Website shows ruler in real size based on your monitor size.