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 .
A metric ruler is the standard instrument for measurement in the scientific laboratory. On a metric ruler, each individual line represents a millimeter (mm). The numbers on the ruler represent centimeters (cm). There are 10 millimeters for each centimeter.
Actual size of Online Ruler (cm/mm). 30CM / 300mm. width:300.0mm (11.81Inch). full screen drag it iframe embed. +. Actual size image of Online Ruler (cm/mm) .
Knowing how to use a ruler is an important skill in both math and the real world! Follow along with this tutorial to see how to use a ruler to measure an object in .