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Lumen (unit)

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.

Ancestors (10)

  1. Candela
  2. Luminous intensity
  3. Dimension of the International System of Units
  4. International System of Units
  5. List of systems of units
  6. System of units
  7. Physics
  8. Natural science
  9. Science
  10. Home

Synonyms (1)