1 inch 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
Values either side of 1 in.
| Inches (in) | Micrometers (µm) |
|---|---|
| -4 | -101,600 |
| -3.5 | -88,900 |
| -3 | -76,200 |
| -2.5 | -63,500 |
| -2 | -50,800 |
| -1.5 | -38,100 |
| -1 | -25,400 |
| -0.5 | -12,700 |
| 0 | 0 |
| 0.5 | 12,700 |
| 1 | 25,400 |
| 1.5 | 38,100 |
| 2 | 50,800 |
| 2.5 | 63,500 |
| 3 | 76,200 |
| 3.5 | 88,900 |
| 4 | 101,600 |
| 4.5 | 114,300 |
| 5 | 127,000 |
| 5.5 | 139,700 |
| 6 | 152,400 |
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.