Lambert to Apostilb Conversion

Convert between Lambert and Apostilb quickly and accurately.

L
asb

How to Convert Lambert to Apostilb

Conversion Formula

1 L = 10000 asb
1 asb = 0 L

Example

Convert 15 L to asb:

15 L = 15 × 10000 asb = 150000 asb

Unit Information

Learn about the luminance units you're converting between

Lambert

L

Definition

The Lambert is a non-SI unit of luminance named after Johann Heinrich Lambert, equal to 3183.0988618379 candela per square meter. It is used in some specialized applications and provides an alternative way to express luminance values in certain technical contexts.

History/Origin

Named after the Swiss mathematician and physicist Johann Heinrich Lambert, this unit was developed as part of early photometric systems. It has historical significance in the development of photometry and is still used in some specialized applications and older technical literature.

Current Use

Used in some specialized photometric applications and historical contexts. Occasionally found in older technical specifications and certain branches of lighting science where traditional units are still preferred or required for compatibility with existing systems.

Multiplier

3183.099

Offset

0

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

0

Lambert to Apostilb Conversion Table

Lambert [L] Apostilb [asb]
1 L 10000 asb
10 L 100000 asb
25 L 250000 asb
50 L 500000 asb
100 L 1000000 asb
0 L 0E+0 asb
-10 L -100000 asb
-40 L -400000 asb