Watt per Square Centimeter (at 555 nm) to Lux Conversion
Convert between Watt per Square Centimeter (at 555 nm) and Lux quickly and accurately.
How to Convert Watt per Square Centimeter (at 555 nm) to Lux
Conversion Formula
Example
Convert 15 W/cm² (at 555 nm) to lx:
Unit Information
Learn about the illumination units you're converting between
Watt per Square Centimeter (at 555 nm)
W/cm² (at 555 nm)
Definition
The Watt per Square Centimeter (at 555 nm) is a unit of spectral irradiance that can be converted to illuminance at the peak sensitivity wavelength of the human eye. It represents the radiant power per unit area at 555 nm, weighted by the luminous efficacy of radiation.
History/Origin
Developed for converting between radiometric and photometric quantities at the peak sensitivity wavelength of human vision. It provides a bridge between physical light measurements and perceived brightness, using the luminous efficacy of 683 lumens per watt at 555 nm.
Current Use
Used in optical engineering, laser technology, and display characterization where the relationship between radiant power and perceived brightness is important. It allows for precise conversion from physical measurements to photometric quantities for monochromatic light sources.
Multiplier
6830000
Offset
0
Lux
lx
Definition
The Lux is the SI derived unit of illuminance, representing the luminous flux per unit area. It measures the amount of light that falls on a surface, with one lux being equal to one lumen per square meter. This unit is fundamental in lighting design and photometry.
History/Origin
The lux was established as part of the International System of Units (SI) in 1960, derived from the candela and meter. It replaced earlier illumination units and provides a standardized way to measure light levels for various applications, from architectural lighting to scientific research.
Current Use
Widely used in lighting design, photography, workplace safety standards, and scientific research. It is essential for determining proper lighting levels in buildings, outdoor spaces, and industrial environments, ensuring adequate visibility and safety.
Multiplier
1
Offset
0
Watt per Square Centimeter (at 555 nm) to Lux Conversion Table
| Watt per Square Centimeter (at 555 nm) [W/cm² (at 555 nm)] | Lux [lx] |
|---|---|
| 1 W/cm² (at 555 nm) | 6830000 lx |
| 10 W/cm² (at 555 nm) | 68300000 lx |
| 25 W/cm² (at 555 nm) | 170750000 lx |
| 50 W/cm² (at 555 nm) | 341500000 lx |
| 100 W/cm² (at 555 nm) | 683000000 lx |
| 0 W/cm² (at 555 nm) | 0E+0 lx |
| -10 W/cm² (at 555 nm) | -68300000 lx |
| -40 W/cm² (at 555 nm) | -273200000 lx |
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