Watt per Square Centimeter (at 555 nm) to Lumen per Square Meter Conversion
Convert between Watt per Square Centimeter (at 555 nm) and Lumen per Square Meter quickly and accurately.
How to Convert Watt per Square Centimeter (at 555 nm) to Lumen per Square Meter
Conversion Formula
Example
Convert 15 W/cm² (at 555 nm) to lm/m²:
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
Lumen per Square Meter
lm/m²
Definition
The Lumen per Square Meter is a unit of illuminance that is numerically equivalent to the lux. It represents the luminous flux per unit area, emphasizing the flux aspect of light measurement and providing a direct relationship between light output and surface illumination.
History/Origin
Derived from the fundamental definition of the lux as one lumen per square meter. It provides an alternative way to express illuminance that emphasizes the luminous flux component, making it useful in calculations involving light sources and their output.
Current Use
Widely used in lighting calculations and photometric applications where the relationship between luminous flux and surface area is important. It provides a practical way to understand illuminance in terms of light source output and surface coverage.
Multiplier
1
Offset
0
Watt per Square Centimeter (at 555 nm) to Lumen per Square Meter Conversion Table
| Watt per Square Centimeter (at 555 nm) [W/cm² (at 555 nm)] | Lumen per Square Meter [lm/m²] |
|---|---|
| 1 W/cm² (at 555 nm) | 6830000 lm/m² |
| 10 W/cm² (at 555 nm) | 68300000 lm/m² |
| 25 W/cm² (at 555 nm) | 170750000 lm/m² |
| 50 W/cm² (at 555 nm) | 341500000 lm/m² |
| 100 W/cm² (at 555 nm) | 683000000 lm/m² |
| 0 W/cm² (at 555 nm) | 0E+0 lm/m² |
| -10 W/cm² (at 555 nm) | -68300000 lm/m² |
| -40 W/cm² (at 555 nm) | -273200000 lm/m² |
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