Blondel to Lumen per Square Centimeter Steradian Conversion

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

From Blondel

blondel

To Lumen per Square Centimeter Steradian

lm/(cm²·sr)

How to Convert Blondel to Lumen per Square Centimeter Steradian

Conversion Formula

1 blondel = 0 lm/(cm²·sr)

1 lm/(cm²·sr) = 31415.927 blondel

Example

Convert 15 blondel to lm/(cm²·sr):

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

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

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