The Thou (also called Mil) is essential in precision engineering and manufacturing. For context, a standard sheet of paper is about 100 thou thick, while human hair measures approximately 20-30 thou in diameter. This unit is critical in machining tolerances, PCB design, and automotive engineering where exact measurements are crucial. The hectometer (hm) is useful for measuring sports tracks (1 lap = 4 hm), urban blocks (~1–2 hm long), or vineyard rows. Road signs in some European countries use hectometers for minor distance markers.
To convert between Thou (Mil) (mil) and Hectometer (hm), use the following formulas:
1 Thou (Mil) (mil) = 2.54e-7 Hectometer (hm)
1 Hectometer (hm) = 3937007.874015748 Thou (Mil) (mil)
1 mil = 1 * 2.54e-7 hm = 2.54e-7 hm
5 mil = 5 * 2.54e-7 hm = 0.0000012700000000000001 hm
10 mil = 10 * 2.54e-7 hm = 0.0000025400000000000002 hm
50 mil = 50 * 2.54e-7 hm = 0.0000127 hm
100 mil = 100 * 2.54e-7 hm = 0.0000254 hm
500 mil = 500 * 2.54e-7 hm = 0.00012700000000000002 hm
1000 mil = 1000 * 2.54e-7 hm = 0.00025400000000000005 hm
| Thou (Mil) (mil) | Hectometer (hm) |
|---|---|
| 1 mil | 2.54e-7 hm |
| 5 mil | 0.0000012700000000000001 hm |
| 10 mil | 0.0000025400000000000002 hm |
| 25 mil | 0.00000635 hm |
| 50 mil | 0.0000127 hm |
| 100 mil | 0.0000254 hm |
| 250 mil | 0.00006350000000000001 hm |
| 500 mil | 0.00012700000000000002 hm |
| 1000 mil | 0.00025400000000000005 hm |