Micrometers to Inches Converter

1 micrometer (µm) equals 0.000039370079 inches (in).

Quick answer

  • 1 micrometer = 0.000039370079 inches
  • 1 inch = 25,400 micrometers
  • Formula: in = µm ÷ 25,400

1 micrometer = 0.000039370079 inches

How to convert micrometers to inches

in = µm ÷ 25,400

To convert micrometers to inches, divide the number of micrometers by 25,400.

Example: 18 µm to in

  1. Start with the value in micrometers: 18 µm.
  2. Divide by 25,400: 18 ÷ 25,400 = 0.000708661417.
  3. Result: 18 micrometers = 0.000708661417 inches.

Going the other way, 1 inch = 25,400 micrometers, so to convert inches back to micrometers you multiply by the same number. See inches to micrometers.

Micrometers to inches conversion table

Micrometers (µm)Inches (in)
0.25 µm 0.00000984252 in
0.5 µm 0.000019685039 in
0.75 µm 0.000029527559 in
1 µm 0.000039370079 in
1.5 µm 0.000059055118 in
2 µm 0.000078740157 in
2.5 µm 0.000098425197 in
3 µm 0.000118110236 in
4 µm 0.000157480315 in
5 µm 0.000196850394 in
6 µm 0.000236220472 in
7 µm 0.000275590551 in
8 µm 0.00031496063 in
9 µm 0.000354330709 in
10 µm 0.000393700787 in
11 µm 0.000433070866 in
12 µm 0.000472440945 in
13 µm 0.000511811024 in
14 µm 0.000551181102 in
15 µm 0.000590551181 in
16 µm 0.00062992126 in
17 µm 0.000669291339 in
18 µm 0.000708661417 in
19 µm 0.000748031496 in
20 µm 0.000787401575 in
21 µm 0.000826771654 in
22 µm 0.000866141732 in
23 µm 0.000905511811 in
24 µm 0.00094488189 in
25 µm 0.000984251969 in
26 µm 0.001023622047 in
27 µm 0.001062992126 in
28 µm 0.001102362205 in
29 µm 0.001141732283 in
30 µm 0.001181102362 in
31 µm 0.001220472441 in
32 µm 0.00125984252 in
33 µm 0.001299212598 in
34 µm 0.001338582677 in
35 µm 0.001377952756 in

More µm to in values

What is a micrometer?

The micrometer (also micrometre, and commonly called the micron) is a metric unit of length equal to one millionth of a meter, or one thousandth of a millimeter.

More about micrometers →

What is an inch?

The inch is a unit of length in the imperial and US customary systems equal to exactly 2.54 centimeters.

More about inches →

Convert micrometers to other units

Convert other units to inches

Frequently asked questions

How many inches are in a micrometer?

One micrometer is 0.000039370079 inches.

How many micrometers are in an inch?

One inch is 25,400 micrometers.

What is the formula to convert micrometers to inches?

in = µm ÷ 25,400.