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Lumen (unit)
Index
Mathematics
Mathematical concepts
Quantity
Units of measurement
Units of luminous flux
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Units of luminous flux
Units of measurement
Quantity
Mathematical concepts
Mathematics
Index
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Lumen (unit)
by
Ciro Santilli
36
Updated
2025-04-24
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Created
2024-07-29
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1
Watt
equals 683 Lumens of
light
power at
wavelength
555 nm. At other
wavelengths
1
Watt
is less Lumens
as
it takes into account the sensitivity of the
average
human
eye.
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