Centimetres to micrometres converter
Micrometres (µm)
1 centimetre = 10,000 micrometres
How to convert centimetres to micrometres
µm = cm × 10000
Multiply the number of centimetres by 10000 to get micrometres. Going the other way, divide by 10000 (or multiply by 0.0001).
One centimetre is exactly defined as 10000 micrometres (to 12 significant figures), and one micrometre is 0.0001 centimetres.
Worked examples
- Convert 5 centimetres: 5 × 10000 = 50,000 50,000 micrometres.
- Convert 12.5 centimetres: 12.5 × 10000 = 125,000 125,000 micrometres.
- Convert 250 centimetres: 250 × 10000 = 2,500,000 2,500,000 micrometres.
Quick-reference table
| cm | µm |
|---|---|
| 1 | 10,000 |
| 2 | 20,000 |
| 3 | 30,000 |
| 5 | 50,000 |
| 10 | 100,000 |
| 15 | 150,000 |
| 20 | 200,000 |
| 25 | 250,000 |
| 50 | 500,000 |
| 75 | 750,000 |
| 100 | 1,000,000 |
| 1,000 | 10,000,000 |
| µm | cm |
|---|---|
| 1 | 0.0001 |
| 2 | 0.0002 |
| 3 | 0.0003 |
| 5 | 0.0005 |
| 10 | 0.001 |
| 15 | 0.0015 |
| 20 | 0.002 |
| 25 | 0.0025 |
| 50 | 0.005 |
| 75 | 0.0075 |
| 100 | 0.01 |
| 1,000 | 0.1 |
Related conversions
Frequently asked questions
How many micrometres are in 1 centimetre?
1 centimetre equals 10,000 micrometres.
What is the formula to convert centimetres to micrometres?
Use µm = cm × 10000. Multiply the number of centimetres by 10000 to get micrometres. Going the other way, divide by 10000 (or multiply by 0.0001).
What is 100 centimetres in micrometres?
100 centimetres is 1,000,000 micrometres.