When looking up information, we often see that the American standard and the national standard also have inches, but we mainly use millimeters. Can anyone please tell me the difference?
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When looking up information, we often see that the American standard and the national standard also use inches, but we mainly use millimeters. Can any experienced person tell me the difference? and application scope
Depending on the standards adopted, the units used may be different. There is no difference in usage. You only need to understand the corresponding relationship between millimeters and inches.
Rough calculation 1"=25mm 1 inch= 25.39999918mm
There is no essential difference, they are all units. When calculating, just make the conversion clear according to the standards you use. I often use it when calculating http://qq.ip138.com/converter8.htm This website can convert units, which is very convenient.
Unit conversion is easy, and the conversion relationship between imperial and metric units is available everywhere on the Internet. The key is to understand the differences between various standards