Centimeter to Micrometer Converter
Length · unit-converter
Convert Centimeter to Micrometer with a fixed input and output unit, step-by-step formula line, and reference tables. All calculations use SI-based definitions (international yard, nautical mile, etc.).
Calculator
From: Centimeter (cm)
To: Micrometer (um)
About Centimeter
The centimeter is a metric unit equal to one hundredth of a meter (0.01 m). It is convenient for everyday objects, paper sizes, and body measurements.
About Micrometer
The micrometer (micron) is one millionth of a meter. It is used in microscopy, manufacturing tolerances, and fiber optics.
How to convert centimeters to micrometers
1 centimeter is equal to 10000 micrometer:
1 cm = (0.01 m ÷ 0.000001 m) um = 10000 um
Each centimeter is defined as 0.01 m and each micrometer as 0.000001 m, so one cm equals 0.01 ÷ 0.000001 um = 10000 um.
Let d(cm) be the numeric value of the same length measured in Centimeter (cm), and d(um) the value in Micrometer (um). Then:
d(um) = d(cm) × (0.01 / 0.000001)
Equivalently, divide by how many cm fit into one um (meters per um divided by meters per cm):
d(um) = d(cm) ÷ 0.0001
Or: micrometer = centimeter ÷ 0.0001
Examples
Example #1: Convert 20 cm to micrometer
20 cm = 20 cm × (0.01/0.000001) um = 200000 um
20 cm = 20 cm ÷ 0.0001 = 200000 um
Example #2: Convert 50 cm to micrometer
50 cm = 50 cm × (0.01/0.000001) um = 500000 um
50 cm = 50 cm ÷ 0.0001 = 500000 um
Summary
To convert Centimeter to Micrometer, multiply the value in cm by the ratio of meters per cm divided by meters per um. Equivalently: value_um = value_cm × (0.01 / 0.000001). Numerically, 1 cm equals 10000 um.
Relationship context
Both units are metric (SI) and tied to the meter. Converting between them uses powers of ten (or simple rational factors), so the relationship is exact in decimal arithmetic. The factor from Centimeter to Micrometer is 1.000000e+4 (1 cm = 10000 um).
Conversion tables
| Centimeter (cm) | Micrometer (um) |
|---|---|
| 0.1 | 1,000 |
| 1 | 10,000 |
| 2 | 20,000 |
| 3 | 30,000 |
| 4 | 40,000 |
| 5 | 50,000 |
| 6 | 60,000 |
| 7 | 70,000 |
| 8 | 80,000 |
| 9 | 90,000 |
| Centimeter (cm) | Micrometer (um) |
|---|---|
| 10 | 100,000 |
| 20 | 200,000 |
| 30 | 300,000 |
| 40 | 400,000 |
| 50 | 500,000 |
| 60 | 600,000 |
| 70 | 700,000 |
| 80 | 800,000 |
| 90 | 900,000 |
| 100 | 1,000,000 |