Convert Inch to Micrometer
Use this free converter to change inches (in) into micrometers (µm). Inch and micrometer both measure length. As a quick reference, 1 in equals 25400 µm, and 1 µm equals 0.000039370079 in.
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Micrometer (µm)
25400
1 in = 25400 µm
Length conversion table
| Inch | Micrometer |
|---|---|
| 0.01 | 254 |
| 0.1 | 2540 |
| 0.5 | 12700 |
| 1 | 25400 |
| 2 | 50800 |
| 3 | 76200 |
| 5 | 127000 |
| 10 | 254000 |
| 20 | 508000 |
| 25 | 635000 |
| 50 | 1270000 |
| 100 | 2540000 |
| 1,000 | 25400000 |
How to convert Inch to Micrometer
Multiply the inch value by 25400 to get micrometers.
- Enter the number of inches you want to convert.
- The converter instantly shows the equivalent value in micrometers.
- Worked example: 15 in × 25400 = 381000 µm.
- Use the swap button to reverse the conversion (micrometer to inch).
About these units
Inch (in)
- Definition
- An inch (in) is an imperial unit of length equal to exactly 2.54 centimeters, with twelve inches making a foot.
- History
- Originally the width of a thumb, the inch was standardised to 25.4 mm internationally in 1959.
- Current use
- Inches measure screen sizes, tyre and pipe dimensions, and everyday lengths in the US and UK.
Micrometer (µm)
- Definition
- A micrometer or micron (µm) is one millionth of a meter, used to measure microscopic objects.
- History
- The term "micron" was officially adopted in 1879 and renamed micrometer by the SI in 1967.
- Current use
- Micrometers describe cell sizes, bacteria, fibres, and semiconductor and optical manufacturing tolerances.
Frequently asked questions
How many micrometers are in a inch?
There are 25400 µm in 1 in. To convert, multiply the number of inches by 25400.
How do I convert inches to micrometers?
Multiply the inch value by 25400 to get micrometers. For example, 10 in = 254000 µm.
Is this inch-to-micrometer converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Inch to other length units
| Unit | 1 Inch equals |
|---|---|
| Meter (m) | 0.0254 m |
| Kilometer (km) | 0.0000254 km |
| Centimeter (cm) | 2.54 cm |
| Millimeter (mm) | 25.4 mm |
| Micrometer (µm) | 25400 µm |
| Nanometer (nm) | 25400000 nm |
| Mile (mi) | 0.000015782828 mi |
| Yard (yd) | 0.027777778 yd |
| Foot (ft) | 0.083333333 ft |
| Nautical Mile (nmi) | 0.000013714903 nmi |
| Light Year (ly) | 2.6848e-18 ly |