This is a metric length converter that can help us to easily convert millimeters mm to centimeters cm or centimeters to millimeters, eg. Both centimeters and millimeters are derived from the meter, a measurement of distance used in the metric system. Millimeters and centimeters are separated by one tens place, which means that there are 10 millimeters for every centimeter. Millimeters are used to measure very small but visible-scale distances and lengths. The metric system is based on decimals, there are 10mm in a centimeter and mm in a meter.
The diagonal screen is I google the PPI reference and found PPI to my screen, after i measure the size of virtual ruler by a actual ruler, i found the markings are not very accurate at 30cm, so i set the default pixels per inch PPI is If you would like this online ruler in actual size, you can set the pixels per inch PPI according your own device.
To convert a centimeter measurement to an inch measurement, use a simple formula. Since one inch is equal to 2. Our inch fraction calculator can add centimeters and inches together and it also automatically converts the results to US customary, imperial and SI metric values. Centimeters and inches are both units used to measure length. Keep reading to learn more about each unit of measure.