1 inch (in) = 25,400 micrometers (µm). To convert, multiply by 25,400: µm = in × 25,400. For example, 5 in = 127,000 µm.
µm = in × 25,400
Inches to micrometers table
| Inches (in) | Micrometers (µm) |
|---|---|
| 1 | 25,400 |
| 2 | 50,800 |
| 3 | 76,200 |
| 4 | 101,600 |
| 5 | 127,000 |
| 10 | 254,000 |
| 20 | 508,000 |
| 25 | 635,000 |
| 50 | 1,270,000 |
| 100 | 2,540,000 |
| 250 | 6,350,000 |
| 500 | 12,700,000 |
| 1,000 | 25,400,000 |
The two units
Inch (in). Exactly 25.4 millimeters, by the 1959 international definition.
Micrometer (µm). One millionth of a meter, also called a micron.
Because both units are defined in terms of the same base unit, the factor 25,400 is exact, not a rounded measurement.
Convert inches to other units
- Inches to meters — 1 in = 0.0254 m
- Inches to kilometers — 1 in = 0.0000254 km
- Inches to centimeters — 1 in = 2.54 cm
- Inches to millimeters — 1 in = 25.4 mm
- Inches to nanometers — 1 in = 25,400,000 nm
- Inches to miles — 1 in = 0.0000157828 mi
- Inches to yards — 1 in = 0.0277777778 yd
- Inches to feet — 1 in = 0.0833333333 ft
- Inches to nautical miles — 1 in = 0.0000137149 nmi
Convert other units to micrometers
Questions people ask
- How many micrometers are in a inch?
- 25,400, exactly.
- How do you convert inches to micrometers?
- µm = in × 25,400. It is the same as dividing by 0.0000393701.
- How do you convert micrometers back to inches?
- in = µm ÷ 25,400. See micrometers to inches.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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