Apostilb to Lumen per Square Centimeter Steradian Conversion

Convert between Apostilb and Lumen per Square Centimeter Steradian quickly and accurately.

From Apostilb

asb

To Lumen per Square Centimeter Steradian

lm/(cm²·sr)

How to Convert Apostilb to Lumen per Square Centimeter Steradian

Conversion Formula

1 asb = 0 lm/(cm²·sr)

1 lm/(cm²·sr) = 31415.927 asb

Example

Convert 15 asb to lm/(cm²·sr):

15 asb = 15 × 0 lm/(cm²·sr) = 0 lm/(cm²·sr)

Unit Information

Learn about the luminance units you're converting between

Apostilb

asb

Definition

The Apostilb is a non-SI unit of luminance equal to 0.3183098862 candela per square meter. It is used in some specialized applications and provides an alternative way to express low luminance values in certain technical contexts.

History/Origin

This unit was developed as part of early photometric systems and is still used in some specialized applications. It provides a convenient way to express low luminance values and is occasionally found in technical specifications and measurement systems.

Current Use

Used in specialized photometric applications and certain technical contexts where traditional units are preferred. Occasionally found in older technical specifications and specialized measurement systems where non-SI units are still used.

Multiplier

0.318

Offset

Lumen per Square Centimeter Steradian

lm/(cm²·sr)

Definition

The Lumen per Square Centimeter Steradian is a unit of luminance using square centimeters as the area unit. It is equivalent to 10,000 candela per square meter and is used for measuring high-luminance sources with more manageable numbers.

History/Origin

This unit was developed as a practical alternative to the square meter unit when dealing with high-luminance applications. It provides more convenient numbers for measuring bright light sources and is commonly used in display technology and laser applications.

Current Use

Frequently used in display technology, laser systems, and high-intensity lighting applications. Common in measuring LED displays, plasma screens, and other bright light sources where precise luminance control is essential for performance and safety.

Multiplier

10000

Offset