Stilb to Apostilb Conversion

Convert between Stilb and Apostilb quickly and accurately.

From Stilb

To Apostilb

asb

How to Convert Stilb to Apostilb

Conversion Formula

1 sb = 31415.927 asb

1 asb = 0 sb

Example

Convert 15 sb to asb:

15 sb = 15 × 31415.927 asb = 471238.898 asb

Unit Information

Learn about the luminance units you're converting between

Stilb

Definition

The Stilb is a CGS unit of luminance, equal to 10,000 candela per square meter. It was part of the centimeter-gram-second system and is still used in some specialized applications, particularly in older scientific literature and certain technical contexts.

History/Origin

The stilb was originally defined in the CGS system as a unit of luminance, named after the Greek word for brightness. It was widely used in early photometry and lighting science before the adoption of SI units became standard in most applications.

Current Use

Still used in some specialized scientific applications, particularly in older technical specifications and certain branches of photometry. While largely replaced by SI units, it occasionally appears in historical contexts and specialized measurement systems.

Multiplier

10000

Offset

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