How to convert millimeters to microinches
1 millimeter is equal to 39,370.07874 microinches, and 1 microinch is equal to 0.0000254 millimeters. To convert, multiply by the conversion factor:
microinches = millimeters × 39,370.07874
microinches = millimeters ÷ 0.0000254Example: convert 15 mm to µin: 15 × 39,370.07874 = 590,551.1811 µin.
Millimeter to Microinch conversion table
| Millimeter (mm) | Microinch (µin) |
|---|---|
| 0.01 mm | 393.7007874 µin |
| 0.1 mm | 3,937.007874 µin |
| 1 mm | 39,370.07874 µin |
| 2 mm | 78,740.15748 µin |
| 3 mm | 118,110.2362 µin |
| 5 mm | 196,850.3937 µin |
| 10 mm | 393,700.7874 µin |
| 20 mm | 787,401.5748 µin |
| 50 mm | 1,968,503.937 µin |
| 100 mm | 3,937,007.874 µin |
| 250 mm | 9,842,519.685 µin |
| 500 mm | 19,685,039.37 µin |
| 1,000 mm | 39,370,078.74 µin |
About the millimeter
A millimeter is one thousandth of a meter. It's the standard unit in engineering drawings, manufacturing, rainfall and screen and paper sizes.
Symbol: mm · 1 mm = 0.001 m · Category: Metric (SI)
About the microinch
A microinch is one millionth of an inch (25.4 nm). It's used to specify surface roughness in machining.
Symbol: µin · 1 µin = 2.54 × 10⁻⁸ m · Category: Imperial & US customary