Blondel to Lambert Conversion

Convert between Blondel and Lambert quickly and accurately.

blondel
L

How to Convert Blondel to Lambert

Conversion Formula

1 blondel = 0 L
1 L = 10000 blondel

Example

Convert 15 blondel to L:

15 blondel = 15 × 0 L = 0.002 L

Unit Information

Learn about the luminance units you're converting between

Blondel

blondel

Definition

The Blondel is a non-SI unit of luminance equal to 0.3183098862 candela per square meter, identical to the apostilb. It is named after the French physicist André Blondel and is used in some specialized photometric applications.

History/Origin

Named after the French physicist André Blondel, this unit was developed as part of early photometric systems. It is identical to the apostilb and provides an alternative way to express low luminance values in certain technical and historical contexts.

Current Use

Used in specialized photometric applications and historical contexts where the Blondel unit is preferred. Occasionally found in older technical specifications and certain branches of photometry where traditional 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

Blondel to Lambert Conversion Table

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