Rayleigh
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Rayleigh Unit Table
A list of units symbol and data.
From RTo LAll conversion
1 R0.0003141592653587727 L
2 R0.0006283185307175454 L
3 R0.0009424777960763181 L
4 R0.0012566370614350909 L
5 R0.0015707963267938636 L
6 R0.0018849555921526362 L
7 R0.002199114857511409 L
8 R0.0025132741228701817 L
9 R0.0028274333882289545 L
10 R0.0031415926535877273 L
Description

Rayleigh (R): Specialized Unit for Atmospheric Light Emissions

The rayleigh is a non-SI unit used to measure the faint emissions of light in the upper atmosphere, such as those produced by auroras or airglow. One rayleigh corresponds to 1010 photons per square meter per second along a vertical column. This unit is especially important in geophysics, atmospheric science, and astrophysics for quantifying extremely low levels of light that are invisible to the human eye but detectable by scientific instruments.

Rayleigh measurements are essential for studying natural light phenomena in the Earth's mesosphere and thermosphere. These emissions play a crucial role in understanding the impact of solar activity on Earth, helping scientists monitor space weather and its effects on satellite communications and navigation systems. By quantifying these subtle luminous occurrences, the rayleigh contributes to our broader understanding of planetary atmospheres and cosmic interactions.

Lambert (L): Unit of Luminance for Diffuse Surfaces

The lambert is a non-SI unit of luminance used to measure the brightness of perfectly diffusing surfaces. One lambert equals 3,183.0988618 candelas per square meter. This unit is primarily utilized in photometry and radiometry to describe the luminance of surfaces that scatter light uniformly in all directions.

Understanding the lambert is important for professionals in fields such as lighting design, astronomy, and material science, where accurate measurements of diffuse reflectance are necessary. While not commonly used in everyday applications, the lambert provides valuable insights into the behavior of light on matte surfaces.

Complete list of conversion for Rayleigh
Rayleigh (R)

1 Rayleigh = 1 Candela

Convert 2 R → cd

1 Rayleigh = 1 Candlepower

Convert 2 R → cp

1 Rayleigh = 1 Lumen

Convert 2 R → lm

1 Rayleigh = 1 Lux

Convert 2 R → lx

1 Rayleigh = 0.09290312990644656 Footcandle

Convert 2 R → fc

1 Rayleigh = 0.0001 Phot

Convert 2 R → ph

1 Rayleigh = 1 Candela per square meter

Convert 2 R → cd/m²

1 Rayleigh = 1 Nit

Convert 2 R → nt

1 Rayleigh = 0.0001 Stilb

Convert 2 R → sb

1 Rayleigh = 0.0003141592653587727 Lambert

Convert 2 R → L

1 Rayleigh = 0.2918635079290997 Footlambert

Convert 2 R → fL

1 Rayleigh = 1 Lumen second

Convert 2 R → lm·s

1 Rayleigh = 1 Lux second

Convert 2 R → lx·s