Centijoule is 0.01 joule units.
Centijoules to Microjoules Converter — cJ to uJ
Convert Centijoule (cJ) to Microjoule (uJ) using the exact conversion factor (1 centijoule = 10,000 microjoule). See the formula, worked examples, and conversion table.
Centijoules to Microjoules converter
Converter
Energy Converter
Convert joules, calories, kilowatt-hours, BTU, electronvolts, therms, and mechanical work units.
Context values
Some unit families need one extra value for a physically accurate result.
Microjoule is 0.000001 joule units.
Result = input x 0.01 / 1e-6.
Energy uses the joule as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Centijoules to Microjoules
Centijoule and Microjoule both measure energy, and the conversion is especially useful for comparing nutrition labels (kilocalories) against scientific energy figures (joules). Specifically: Centijoule is 0.01 joule units, and microjoule is 0.000001 joule units.
Formula
microjoules = centijoules × 10000
This factor comes from each unit's defined relationship to the category's base unit: 1 centijoule equals 0.01 base units, and 1 microjoule equals 0.000001 base units, so dividing one by the other gives the direct centijoule-to-microjoule factor of 10000.
Simple example
1 cJ × 10000 = 10,000 uJ
1 centijoule = 10,000 microjoules.
Real-world example
100 cJ × 10000 = 1,000,000 uJ
100 centijoules = 1,000,000 microjoules.
Conversion table
| Centijoule (cJ) | Microjoule (uJ) |
|---|---|
| 1 cJ | 10,000 uJ |
| 10 cJ | 100,000 uJ |
| 100 cJ | 1,000,000 uJ |
| 500 cJ | 5,000,000 uJ |
| 1,000 cJ | 10,000,000 uJ |
| 2,000 cJ | 20,000,000 uJ |
Reverse conversion: Microjoule to Centijoule
1 uJ × 0.0001 = 0.0001 cJ
1 microjoule = 0.0001 centijoules.
centijoules = microjoules × 0.0001
For a page dedicated to this direction, see Microjoule to Centijoule.
Understanding the Centijoule (cJ)
Centijoule is 0.01 joule units.
Understanding the Microjoule (uJ)
Microjoule is 0.000001 joule units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many microjoules are in 1 centijoule?
1 centijoule equals 10,000 microjoules, using the exact defined conversion factor rather than an estimate.
How do I convert centijoule to microjoule?
Multiply the centijoule value by 10000. The converter above does this instantly to whatever precision you set.
How do I convert microjoule back to centijoule?
Use the reverse factor: 1 microjoule equals 0.0001 centijoules. You can also use the swap control in the converter above to flip the direction instantly.
What is a centijoule?
Centijoule (cJ) is a unit of energy.
What is a microjoule?
Microjoule (uJ) is a unit of energy.
Is the centijoule to microjoule conversion exact?
Yes. Both centijoule and microjoule are defined by fixed standards rather than physical artifacts, so the factor of 10000 used above is exact to as many digits as you choose to display.