Luminous Flux Units: LumenHome | Directory | Career | News | Industrial
Glossary » Units » Luminous Flux » Lumen
Lumen (lm) is a unit in the category of Luminous flux. It is also known as lumens. This unit is commonly used in the SI unit system. Lumen (lm) has a dimension of JW where J is luminous intensity. It essentially the same as the corresponding standard SI unit cd-sr.
Note that the seven base dimensions are M (Mass), L (Length), T (Time), Q (Temperature), N (Aamount of Substance), I (Electric Current), and J (Luminous Intensity).
Other units in the category of Luminous flux include Candlepower (spherical).
Related Glossary Pages
Glossary: Units: Energy: Kiloton TNT Equivalent
Glossary: Units: Electric Charge Density: Coulomb Per Cubic Foot
Glossary: Units: Pressure: Inch of Water (4°C)
Glossary: Units: Pressure: Hectopascal
Glossary: Units: Volume: Fluid Ounce (UK)
Glossary: Units: Length: Picometer
Glossary: Units: Magnetic Auxiliary Field: Oersted
Glossary: Units: Magnetic Flux: Unit Pole
Glossary: Units: Volume: Board Foot Measure
Glossary: Units: Mass: Scruple (UK, US, Apoth.)