Lumen per Square Meter Steradian to Lambert Conversion
Convert between Lumen per Square Meter Steradian and Lambert quickly and accurately.
How to Convert Lumen per Square Meter Steradian to Lambert
Conversion Formula
Example
Convert 15 lm/(m²·sr) to L:
Unit Information
Learn about the luminance units you're converting between
Lumen per Square Meter Steradian
lm/(m²·sr)
Definition
The Lumen per Square Meter Steradian is a unit of luminance that explicitly shows the relationship between luminous flux, area, and solid angle. It is dimensionally equivalent to candela per square meter and provides insight into the geometric aspects of light measurement.
History/Origin
This unit was developed to emphasize the relationship between luminous flux, surface area, and solid angle in luminance measurements. It provides a more detailed understanding of how light is distributed and measured in three-dimensional space.
Current Use
Used in advanced photometry and lighting calculations where the relationship between flux, area, and solid angle is important. Common in research applications and detailed lighting analysis where understanding the geometric aspects of light distribution is crucial.
Multiplier
1
Offset
0
Lambert
L
Definition
The Lambert is a non-SI unit of luminance named after Johann Heinrich Lambert, equal to 3183.0988618379 candela per square meter. It is used in some specialized applications and provides an alternative way to express luminance values in certain technical contexts.
History/Origin
Named after the Swiss mathematician and physicist Johann Heinrich Lambert, this unit was developed as part of early photometric systems. It has historical significance in the development of photometry and is still used in some specialized applications and older technical literature.
Current Use
Used in some specialized photometric applications and historical contexts. Occasionally found in older technical specifications and certain branches of lighting science where traditional units are still preferred or required for compatibility with existing systems.
Multiplier
3183.099
Offset
0
Lumen per Square Meter Steradian to Lambert Conversion Table
| Lumen per Square Meter Steradian [lm/(m²·sr)] | Lambert [L] |
|---|---|
| 1 lm/(m²·sr) | 0.000314 L |
| 10 lm/(m²·sr) | 0.003142 L |
| 25 lm/(m²·sr) | 0.007854 L |
| 50 lm/(m²·sr) | 0.015708 L |
| 100 lm/(m²·sr) | 0.031416 L |
| 0 lm/(m²·sr) | 0E+0 L |
| -10 lm/(m²·sr) | -0.003142 L |
| -40 lm/(m²·sr) | -0.012566 L |
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