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Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.001 mJ1 µJ = 0.001 mJ
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µJ to mJ Converter
Convert microjoule (µJ) to millijoule (mJ). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through joule
Enter a microjoule value to calculate millijoule with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| ergfrom µJ | erg | 10 |
| microjoulefrom µJ | µJ | 1 |
| millijoulefrom µJ | mJ | 0.001 |
| joulefrom µJ | J | 0.000001 |
| kilojoulefrom µJ | kJ | 1e-9 |
| megajoulefrom µJ | MJ | 1e-12 |
| gigajoulefrom µJ | GJ | 1e-15 |
| watt-hourfrom µJ | Wh | 2.77778e-10 |
| kilowatt-hourfrom µJ | kWh | 2.77778e-13 |
| megawatt-hourfrom µJ | MWh | 2.77778e-16 |
| thermochemical caloriefrom µJ | calₜₕ | 0.000000239006 |
| thermochemical kilocaloriefrom µJ | kcalₜₕ | 2.39006e-10 |
| International Table caloriefrom µJ | calIT | 0.000000238846 |
| International Table British thermal unitfrom µJ | BtuIT | 9.47817e-10 |
| U.S. thermfrom µJ | therm US | 9.48043e-15 |
| foot pound-forcefrom µJ | ft·lbf | 0.000000737562 |
| electronvoltfrom µJ | eV | 6241510000000 |
| kiloelectronvoltfrom µJ | keV | 6241510000 |
| megaelectronvoltfrom µJ | MeV | 6241510 |
| gigaelectronvoltfrom µJ | GeV | 6241.51 |
| ton of TNTfrom µJ | t TNT | 2.39006e-16 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
µJ to mJ Conversion Reference
Microjoule (µJ) and millijoule (mJ) are units of energy & work. Use this page to convert in either direction.
Conversion Examples
| Microjoule (µJ) | Millijoule (mJ) |
|---|---|
| 1 µJ | 0.001 mJ |
| 5 µJ | 0.005 mJ |
| 10 µJ | 0.01 mJ |
| 100 µJ | 0.1 mJ |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
mJ to µJ (millijoule to microjoule)
Related Energy & work Conversions
µJ to erg (microjoule to erg)µJ to J (microjoule to joule)µJ to kJ (microjoule to kilojoule)µJ to MJ (microjoule to megajoule)µJ to GJ (microjoule to gigajoule)µJ to Wh (microjoule to watt-hour)µJ to kWh (microjoule to kilowatt-hour)µJ to MWh (microjoule to megawatt-hour)µJ to calₜₕ (microjoule to thermochemical calorie)µJ to kcalₜₕ (microjoule to thermochemical kilocalorie)µJ to calIT (microjoule to International Table calorie)µJ to BtuIT (microjoule to International Table British thermal unit)µJ to therm US (microjoule to U.S. therm)µJ to ft·lbf (microjoule to foot pound-force)µJ to eV (microjoule to electronvolt)µJ to keV (microjoule to kiloelectronvolt)µJ to MeV (microjoule to megaelectronvolt)µJ to GeV (microjoule to gigaelectronvolt)µJ to t TNT (microjoule to ton of TNT)