Apostilb to Lambert Conversion

Convert between Apostilb and Lambert quickly and accurately.

asb
L

How to Convert Apostilb to Lambert

Conversion Formula

1 asb = 0 L
1 L = 10000 asb

Example

Convert 15 asb to L:

15 asb = 15 × 0 L = 0.002 L

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

0

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 to Lambert Conversion Table

Apostilb [asb] Lambert [L]
1 asb 0.0001 L
10 asb 0.001 L
25 asb 0.0025 L
50 asb 0.005 L
100 asb 0.01 L
0 asb 0E+0 L
-10 asb -0.001 L
-40 asb -0.004 L