20milsは何mmですか？
20mils = 0.508mm
0.508mmを1mmに丸めると96.85%ずれます。この値では小数を残したほうが安全です。
逆に20mmは何milsですか？
20mm = 787.4016mils
計算式: mm = mils × 0.0254
mils → mm 前後の値
2 mils0.0508mm
4 mils0.1016mm
6 mils0.1524mm
8 mils0.2032mm
10 mils0.254mm
12 mils0.3048mm
14 mils0.3556mm
16 mils0.4064mm
18 mils0.4572mm
20 mils0.508mm
22 mils0.5588mm
24 mils0.6096mm
26 mils0.6604mm
28 mils0.7112mm
30 mils0.762mm
32 mils0.8128mm
34 mils0.8636mm
36 mils0.9144mm
38 mils0.9652mm
40 mils1.016mm