How many mils are in one inch? - Answers

A mil is one thousandth of an inch or 0.0001 inch.Hence, there are 1000 mils in one inch. Mils are often used as measurement in manufacturing in countries that are on the English standard. Such as the United States and some countries in South America. The rest of the world uses the metric system or meters.Mils seem to have taken hold in the manufacturing of printed circuit boards. Many countries that are using the metric system still use English Mils for electronic manufacturing.Doing a quick search for PCB manufacturing or manufactures you will see the term Mils all over the place. The reason for this is the United States was the dominate leader in electronic manufacturing when it was in its infancy.Keeping it in the electronic industry is the cost of developing manufacturing equipment using the metric system to replace current English equipment.