Watt per Square Centimeter (at 555 nm) to Meter-Candle Conversion
Convert between Watt per Square Centimeter (at 555 nm) and Meter-Candle quickly and accurately.
How to Convert Watt per Square Centimeter (at 555 nm) to Meter-Candle
Conversion Formula
Example
Convert 15 W/cm² (at 555 nm) to m*c:
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
Meter-Candle
m*c
Definition
The Meter-Candle is a unit of illuminance that is numerically equivalent to the lux. It represents the illuminance produced by a standard candle at a distance of one meter, providing a historical reference for light measurement that predates the modern SI system.
History/Origin
Developed as part of early photometric systems where illumination was measured in terms of candle power at specific distances. The meter-candle was used before the adoption of the lux as the standard SI unit, providing a practical way to relate illumination to familiar light sources.
Current Use
Primarily of historical interest, though may still be encountered in older technical specifications or educational contexts. It provides a direct relationship between illumination and the traditional candle standard, helping to understand the evolution of light measurement.
Multiplier
1
Offset
0
Watt per Square Centimeter (at 555 nm) to Meter-Candle Conversion Table
| Watt per Square Centimeter (at 555 nm) [W/cm² (at 555 nm)] | Meter-Candle [m*c] |
|---|---|
| 1 W/cm² (at 555 nm) | 6830000 m*c |
| 10 W/cm² (at 555 nm) | 68300000 m*c |
| 25 W/cm² (at 555 nm) | 170750000 m*c |
| 50 W/cm² (at 555 nm) | 341500000 m*c |
| 100 W/cm² (at 555 nm) | 683000000 m*c |
| 0 W/cm² (at 555 nm) | 0E+0 m*c |
| -10 W/cm² (at 555 nm) | -68300000 m*c |
| -40 W/cm² (at 555 nm) | -273200000 m*c |
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