Watt at 555nm (W@555nm)

Watts at 555nm represents the peak luminous efficacy of radiation: exactly 683 lumens per watt at 555nm wavelength (green-yellow light where human eye is most sensitive). This fundamental constant links radiometric (watts) to photometric (lumens) measurements.

Convert From Watts at 555nm

W@555nm to Lumens Watt at 555nm to Millilumen Watt at 555nm to Microlumen Watt at 555nm to Kilolumen Watt at 555nm to Megalumen Watt at 555nm to Gigalumen Watt at 555nm to Candela Steradian Watt at 555nm to Candlepower (Mean Spherical) Watt at 555nm to Hefnerkerze

Convert To Watts at 555nm

Lumens to W@555nm Millilumen to Watt at 555nm Microlumen to Watt at 555nm Kilolumen to Watt at 555nm Megalumen to Watt at 555nm Gigalumen to Watt at 555nm Candela Steradian to Watt at 555nm Candlepower (Mean Spherical) to Watt at 555nm Hefnerkerze to Watt at 555nm

Conversion Factors

1 W@555nm 683 lm

1 W@555nm 0.000683 mlm

1 W@555nm 683000000 μlm

1 W@555nm 0.683 klm

1 W@555nm 0.000683 Mlm

1 W@555nm 6.83e-7 Glm

1 W@555nm 683 cd·sr

1 W@555nm 54.353016075 MSCP

1 W@555nm 63.416898793 HK

Related Units

Lumen (lm) Millilumen (mlm) Microlumen (μlm) Kilolumen (klm) Megalumen (Mlm) Gigalumen (Glm) Candela Steradian (cd·sr) Candlepower (Mean Spherical) (MSCP) Hefnerkerze (HK)