Convert Centimeters to Micrometers
1 centimeter (cm) equals 10000 micrometers (µm).
1 cm = 10000 µm
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk centimeter to micrometer converter to paste a column from Excel.
How to Convert Centimeter to Micrometer
- 1 cm = 10000 µm
- 1 µm = 0.0001 cm
- Example: convert 15 cm to µm: 15 cm = 15 × 10000 µm = 150000 µm
Formula
µm = cm × 10000
Derivation from SI units:
- 1 cm = 10⁻² m
- 1 µm = 10⁻⁶ m
- 1 cm = 0.01 m ÷ 0.000001 m per µm = 10000 µm
Both units are defined exactly, so the factor is exact. Centimeter definition: centimeter; Micrometer definition: micrometer.
Worked examples
- A reading of 30 cm converts to 300000 µm.
30 cm × 10000 = 300000 µm - A value of 150 cm is 1500000 µm.
150 cm × 10000 = 1500000 µm
Centimeter to Micrometer conversion table
| Centimeters (cm) | Micrometers (µm) |
|---|---|
| 1 cm | 10000 µm |
| 2 cm | 20000 µm |
| 2.54 cm | 25400 µm |
| 5 cm | 50000 µm |
| 10 cm | 100000 µm |
| 15 cm | 150000 µm |
| 20 cm | 200000 µm |
| 25 cm | 250000 µm |
| 30 cm | 300000 µm |
| 45 cm | 450000 µm |
| 50 cm | 500000 µm |
| 60 cm | 600000 µm |
| 75 cm | 750000 µm |
| 90 cm | 900000 µm |
| 100 cm | 1000000 µm |
| 120 cm | 1200000 µm |
| 150 cm | 1500000 µm |
| 160 cm | 1600000 µm |
| 165 cm | 1650000 µm |
| 170 cm | 1700000 µm |
| 175 cm | 1750000 µm |
| 180 cm | 1800000 µm |
| 185 cm | 1850000 µm |
| 190 cm | 1900000 µm |
| 200 cm | 2000000 µm |
Where it's used
Centimeters are used for body height (e.g. 175 cm), while micrometers appear in particle and filter ratings (PM2.5, PM10, HEPA tested at 0.3 µm). Both measure length and distance, so the conversion is a fixed factor.
Centimeter to other length units
| Conversion | 1 cm equals |
|---|---|
| centimeter to meter | 0.01 m |
| centimeter to kilometer | 0.00001 km |
| centimeter to millimeter | 10 mm |
| centimeter to micrometer | 10000 µm |
| centimeter to nanometer | 10000000 nm |
| centimeter to angstrom | 100000000 Å |
| centimeter to mile | 0.000006213711922 mi |
| centimeter to yard | 0.01093613298 yd |
| centimeter to foot | 0.03280839895 ft |
| centimeter to inch | 0.3937007874 in |
| centimeter to mil | 393.7007874 mil |
| centimeter to nautical mile | 0.000005399568035 nmi |
Frequently asked questions
How many micrometers are in 1 centimeter?
1 cm = 10000 µm.
How do I convert centimeters to micrometers?
Multiply the value in cm by 10000. For example, 15 cm × 10000 = 150000 µm.
Is the cm to µm conversion exact?
Yes. Both units are defined exactly, and 1 cm is exactly 10000 µm.
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 7, SI prefixes.
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Centimeters to Micrometers. Retrieved October 17, 2026, from https://scientificconverters.com/length/centimeters-to-micrometers/
IEEE
Scientific Converters, "Convert Centimeters to Micrometers," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/length/centimeters-to-micrometers/