Lumen per Square Foot Steradian to Lumen per Square Centimeter Steradian Conversion

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

lm/(ft²·sr)
lm/(cm²·sr)

How to Convert Lumen per Square Foot Steradian to Lumen per Square Centimeter Steradian

Conversion Formula

1 lm/(ft²·sr) = 0.001 lm/(cm²·sr)
1 lm/(cm²·sr) = 929.03 lm/(ft²·sr)

Example

Convert 15 lm/(ft²·sr) to lm/(cm²·sr):

15 lm/(ft²·sr) = 15 × 0.001 lm/(cm²·sr) = 0.016 lm/(cm²·sr)

Unit Information

Learn about the luminance units you're converting between

Lumen per Square Foot Steradian

lm/(ft²·sr)

Definition

The Lumen per Square Foot Steradian is an imperial unit of luminance that shows the relationship between luminous flux, area, and solid angle using square feet. It is equivalent to 10.7639104167 candela per square meter.

History/Origin

This unit was developed for use in countries employing imperial measurements, providing a way to express luminance in terms of square feet while maintaining the relationship to luminous flux and solid angle. It bridges metric and imperial systems in lighting applications.

Current Use

Used in lighting design and engineering in countries using imperial units, particularly in architectural lighting and display specifications. Common in applications where square footage is the standard area measurement and precise luminance control is required.

Multiplier

10.764

Offset

0

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

0

Lumen per Square Foot Steradian to Lumen per Square Centimeter Steradian Conversion Table

Lumen per Square Foot Steradian [lm/(ft²·sr)] Lumen per Square Centimeter Steradian [lm/(cm²·sr)]
1 lm/(ft²·sr) 0.001076 lm/(cm²·sr)
10 lm/(ft²·sr) 0.010764 lm/(cm²·sr)
25 lm/(ft²·sr) 0.02691 lm/(cm²·sr)
50 lm/(ft²·sr) 0.05382 lm/(cm²·sr)
100 lm/(ft²·sr) 0.107639 lm/(cm²·sr)
0 lm/(ft²·sr) 0E+0 lm/(cm²·sr)
-10 lm/(ft²·sr) -0.010764 lm/(cm²·sr)
-40 lm/(ft²·sr) -0.043056 lm/(cm²·sr)