Bril to Lumen per Square Foot Steradian Conversion

Convert between Bril and Lumen per Square Foot Steradian quickly and accurately.

From Bril

bril

To Lumen per Square Foot Steradian

lm/(ft²·sr)

How to Convert Bril to Lumen per Square Foot Steradian

Conversion Formula

1 bril = 3E-9 lm/(ft²·sr)

1 lm/(ft²·sr) = 338158218.89 bril

Example

Convert 15 bril to lm/(ft²·sr):

15 bril = 15 × 3E-9 lm/(ft²·sr) = 4E-8 lm/(ft²·sr)

Unit Information

Learn about the luminance units you're converting between

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

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