8 inch how much cm

Unit Converter. Please, choose a physical quantity, two units, then type a value in any of the boxes above. Find other conversions here:. According to the modern definition, one inch is equal to A centimeter cm is a decimal fraction of the meter, the International System of Units SI unit of length, approximately equivalent to Using this converter you can get answers to questions like: How many centimeters are there in 8 inches?

How much are 8 inch in centimeters? How to convert inches to centimeters? What is the inches to centimeters conversion factor? How to transform inches in centimeters?

What is the formula to convert from inches to centimeters? There are 12 inches in a foot and 36 inches in a yard. There have been a number of different standards for the inch in the past, with the current definition being based on the international yard. One of the earliest definitions of the inch was based on barleycorns, where an inch was equal to the length of three grains of dry, round barley placed end-to-end.

Another version of the inch is also believed to have been derived from the width of a human thumb, where the length was obtained from averaging the width of three thumbs: a small, a medium, and a large one. It is also sometimes used in Japan as well as other countries in relation to electronic parts, like the size of display screens.

Definition: A centimeter symbol: cm is a unit of length in the International System of Units SI , the current form of the metric system. Metric prefixes range from factors of 10 to 10 18 based on a decimal system, with the base in this case the meter having no prefix and having a factor of 1.