Lumen per Square Foot Steradian to Bril Conversion
Convert between Lumen per Square Foot Steradian and Bril quickly and accurately.
How to Convert Lumen per Square Foot Steradian to Bril
Conversion Formula
Example
Convert 15 lm/(ft²·sr) to bril:
Unit Information
Learn about the luminance units you're converting between
Lumen per Square Foot Steradian
lm/(ft²·sr)
Definition
The Lumen per Square Foot Steradian is an imperial unit of luminance that shows the relationship between luminous flux, area, and solid angle using square feet. It is equivalent to 10.7639104167 candela per square meter.
History/Origin
This unit was developed for use in countries employing imperial measurements, providing a way to express luminance in terms of square feet while maintaining the relationship to luminous flux and solid angle. It bridges metric and imperial systems in lighting applications.
Current Use
Used in lighting design and engineering in countries using imperial units, particularly in architectural lighting and display specifications. Common in applications where square footage is the standard area measurement and precise luminance control is required.
Multiplier
10.764
Offset
0
Bril
bril
Definition
The Bril is a very small unit of luminance equal to 3.1830988618379E-8 candela per square meter. It is used for measuring extremely low luminance values, such as those found in very dim light sources or specialized low-light measurement applications.
History/Origin
This unit was developed for applications requiring measurement of extremely low luminance values. The name "bril" suggests brightness, and it provides a practical way to express very small luminance values without using scientific notation.
Current Use
Used in specialized low-light measurement applications, night vision research, and photometry where extremely low luminance values need to be measured and expressed. Common in research applications and precision photometric measurements.
Multiplier
3E-8
Offset
0
Lumen per Square Foot Steradian to Bril Conversion Table
| Lumen per Square Foot Steradian [lm/(ft²·sr)] | Bril [bril] |
|---|---|
| 1 lm/(ft²·sr) | 338158218.8900240064 bril |
| 10 lm/(ft²·sr) | 3381582188.9002380371 bril |
| 25 lm/(ft²·sr) | 8453955472.2505950928 bril |
| 50 lm/(ft²·sr) | 16907910944.5011901855 bril |
| 100 lm/(ft²·sr) | 33815821889 bril |
| 0 lm/(ft²·sr) | 0E+0 bril |
| -10 lm/(ft²·sr) | -3381582188.9002380371 bril |
| -40 lm/(ft²·sr) | -13526328755.6009502411 bril |
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