1 in = 25400 μm
1 Inch (in) = 25400 Micrometer (μm).
If you want to reverse convert, use Micrometer → Inch. 1 μm = 3.9370078740157E-5 in. You can also explore the full Length converter page for more cross conversions.
Conversion formula
Inch to Micrometer formula: value in μm = value in in × 25400.
Micrometer to Inch formula: value in in = value in μm × 3.9370078740157E-5.
How to convert Inch to Micrometer
To convert Inch to Micrometer, multiply the value in in by 25400. This gives the result in μm.
For example, 1 in = 25400 μm and 10 in = 254000 μm.
What is Inch?
Inch (in): Used for screen diagonals, pipe sizes and component dimensions. A screen’s inch size refers to its diagonal rather than its width. 1 in = 2.54 cm = 25.4 mm.
What is Micrometer?
Micrometer (μm): One millionth of a metre, also called a micron. It describes the sizes of cells, fine fibres and thin coatings. 1 μm = 0.001 mm = 10⁻⁶ m.
FAQ
How many micrometer are in 1 inch?
There are 25400 μm in 1 in.
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert inch to micrometer?
Multiply the value in in by 25400 to get the value in μm.
Inch → other Length units
- 1 inch → meter = 0.0254 meter
- 1 inch → kilometer = 2.54E-5 kilometer
- 1 inch → decimeter = 0.254 decimeter
- 1 inch → centimeter = 2.54 centimeter
- 1 inch → millimeter = 25.4 millimeter
- 1 inch → micrometer = 25400 micrometer
- 1 inch = 25400000 nanometer
- 1 inch = 25400000000 picometer
- 1 inch → nautical mile = 1.3714902807775E-5 nautical mile
- 1 inch → mile = 1.5782828282828E-5 mile
- 1 inch → fathom = 0.013888888888889 fathom
- 1 inch → yard = 0.027777777777778 yard
- 1 inch → feet = 0.083333333333333 feet
- 1 inch → hand = 0.25 hand
- 1 inch = 1.6978851290562E-13 astronomical unit
- 1 inch = 2.6847821184225E-18 lightyear
- 1 inch = 8.2315793951886E-19 parsec
Inch → Micrometer Table
The table below shows common values from Inch to Micrometer and the reverse direction for quick reference.
| in | μm | Rounded |
|---|---|---|
| 1 in | 25400 μm | 25400.0000 |
| 2 in | 50800 μm | 50800.0000 |
| 3 in | 76200 μm | 76200.0000 |
| 4 in | 101600 μm | 101600.0000 |
| 5 in | 127000 μm | 127000.0000 |
| 10 in | 254000 μm | 254000.0000 |
| 12 in | 304800 μm | 304800.0000 |
| 15 in | 381000 μm | 381000.0000 |
| 20 in | 508000 μm | 508000.0000 |
| 25 in | 635000 μm | 635000.0000 |
| 30 in | 762000 μm | 762000.0000 |
| 40 in | 1016000 μm | 1016000.0000 |
| 50 in | 1270000 μm | 1270000.0000 |
| 75 in | 1905000 μm | 1905000.0000 |
| 100 in | 2540000 μm | 2540000.0000 |
| 200 in | 5080000 μm | 5080000.0000 |
| 250 in | 6350000 μm | 6350000.0000 |
| 500 in | 12700000 μm | 12700000.0000 |
| 750 in | 19050000 μm | 19050000.0000 |
| 1000 in | 25400000 μm | 25400000.0000 |
| 2500 in | 63500000 μm | 63500000.0000 |
| 5000 in | 127000000 μm | 127000000.0000 |
| 10000 in | 254000000 μm | 254000000.0000 |
Micrometer → Inch Table
| μm | in | Rounded |
|---|---|---|
| 1 μm | 3.9370078740157E-5 in | 0.0000 |
| 2 μm | 7.8740157480315E-5 in | 0.0001 |
| 3 μm | 0.00011811023622047 in | 0.0001 |
| 4 μm | 0.00015748031496063 in | 0.0002 |
| 5 μm | 0.00019685039370079 in | 0.0002 |
| 10 μm | 0.00039370078740157 in | 0.0004 |
| 12 μm | 0.00047244094488189 in | 0.0005 |
| 15 μm | 0.00059055118110236 in | 0.0006 |
| 20 μm | 0.00078740157480315 in | 0.0008 |
| 25 μm | 0.00098425196850394 in | 0.0010 |
| 30 μm | 0.0011811023622047 in | 0.0012 |
| 40 μm | 0.0015748031496063 in | 0.0016 |
| 50 μm | 0.0019685039370079 in | 0.0020 |
| 75 μm | 0.0029527559055118 in | 0.0030 |
| 100 μm | 0.0039370078740157 in | 0.0039 |
| 200 μm | 0.0078740157480315 in | 0.0079 |
| 250 μm | 0.0098425196850394 in | 0.0098 |
| 500 μm | 0.019685039370079 in | 0.0197 |
| 750 μm | 0.029527559055118 in | 0.0295 |
| 1000 μm | 0.039370078740157 in | 0.0394 |
| 2500 μm | 0.098425196850394 in | 0.0984 |
| 5000 μm | 0.19685039370079 in | 0.1969 |
| 10000 μm | 0.39370078740157 in | 0.3937 |
Micrometer → Inch
The reverse value is 1 μm = 3.9370078740157E-5 in.