mm,mil,inch,um的转换关系

2019-07-14 11:50发布

画PCB时用到的单位转换 1mil=0.0254mm=25.4um
1mm=39.37mil
1inch=1000mil=25.4mm 1mil =0.0254mm 1mm = 0.03937 inch 1um =0.03937 mil