Convert inches to micrometers
1 in = 25,400 µm. Change the amount below, or read the formula and the reference table further down.
1 inch equals
micrometers
1 in = 25,400 µm
The formula
Inches and micrometers both measure length from the same zero, so a single multiplier does the job.
µm = in × 25,400
Going the other way? Convert micrometers to inches.
Inches to micrometers table
Common values, rounded for reading.
| Inches (in) | Micrometers (µm) |
|---|---|
| 1 | 25,400 |
| 2 | 50,800 |
| 3 | 76,200 |
| 4 | 101,600 |
| 5 | 127,000 |
| 6 | 152,400 |
| 7 | 177,800 |
| 8 | 203,200 |
| 9 | 228,600 |
| 10 | 254,000 |
| 15 | 381,000 |
| 20 | 508,000 |
| 25 | 635,000 |
| 30 | 762,000 |
| 40 | 1,016,000 |
| 50 | 1,270,000 |
| 75 | 1,905,000 |
| 100 | 2,540,000 |
| 250 | 6,350,000 |
| 500 | 12,700,000 |
| 1,000 | 25,400,000 |
Questions people ask
- How many micrometers are in a inch?
- One inch equals 25,400 micrometers.
- How do I convert inches to micrometers by hand?
- Multiply the number of inches by 25,400. For a rough check, 25,400 is close enough for most everyday use.
- What is 1 inch in micrometers?
- 1 inch is 25,400 micrometers.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.