Lumen per Square Meter to Watt per Square Centimeter (at 555 nm) Conversion
Convert between Lumen per Square Meter and Watt per Square Centimeter (at 555 nm) quickly and accurately.
How to Convert Lumen per Square Meter to Watt per Square Centimeter (at 555 nm)
Conversion Formula
Example
Convert 15 lm/m² to W/cm² (at 555 nm):
Unit Information
Learn about the illumination units you're converting between
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)
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 to Watt per Square Centimeter (at 555 nm) Conversion Table
| Lumen per Square Meter [lm/m²] | Watt per Square Centimeter (at 555 nm) [W/cm² (at 555 nm)] |
|---|---|
| 1 lm/m² | 1E-7 W/cm² (at 555 nm) |
| 10 lm/m² | 0.000001 W/cm² (at 555 nm) |
| 25 lm/m² | 0.000004 W/cm² (at 555 nm) |
| 50 lm/m² | 0.000007 W/cm² (at 555 nm) |
| 100 lm/m² | 0.000015 W/cm² (at 555 nm) |
| 0 lm/m² | 0E+0 W/cm² (at 555 nm) |
| -10 lm/m² | -0.000001 W/cm² (at 555 nm) |
| -40 lm/m² | -0.000006 W/cm² (at 555 nm) |
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