Lumen per Square Centimeter Steradian to Watt per Square Centimeter Steradian (at 555 nm) Conversion

Convert between Lumen per Square Centimeter Steradian and Watt per Square Centimeter Steradian (at 555 nm) quickly and accurately.

lm/(cm²·sr)
W/(cm²·sr)

How to Convert Lumen per Square Centimeter Steradian to Watt per Square Centimeter Steradian (at 555 nm)

Conversion Formula

1 lm/(cm²·sr) = 0.001 W/(cm²·sr)
1 W/(cm²·sr) = 683 lm/(cm²·sr)

Example

Convert 15 lm/(cm²·sr) to W/(cm²·sr):

15 lm/(cm²·sr) = 15 × 0.001 W/(cm²·sr) = 0.022 W/(cm²·sr)

Unit Information

Learn about the luminance units you're converting between

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

Watt per Square Centimeter Steradian (at 555 nm)

W/(cm²·sr)

Definition

The Watt per Square Centimeter Steradian at 555 nm is a radiometric unit of luminance that measures radiant power per unit area and solid angle at the peak sensitivity wavelength of the human eye. It is used for precise photometric calculations and laser applications.

History/Origin

This unit was developed for applications requiring precise conversion between radiometric and photometric quantities. The 555 nm wavelength corresponds to the peak sensitivity of the human eye, making it ideal for accurate photometric measurements and laser safety calculations.

Current Use

Used in laser safety, precision photometry, and applications requiring exact conversion between radiometric and photometric units. Essential for laser power measurements, optical system design, and safety calculations where precise luminance values are critical.

Multiplier

6830000

Offset

0

Lumen per Square Centimeter Steradian to Watt per Square Centimeter Steradian (at 555 nm) Conversion Table

Lumen per Square Centimeter Steradian [lm/(cm²·sr)] Watt per Square Centimeter Steradian (at 555 nm) [W/(cm²·sr)]
1 lm/(cm²·sr) 0.001464 W/(cm²·sr)
10 lm/(cm²·sr) 0.014641 W/(cm²·sr)
25 lm/(cm²·sr) 0.036603 W/(cm²·sr)
50 lm/(cm²·sr) 0.073206 W/(cm²·sr)
100 lm/(cm²·sr) 0.146413 W/(cm²·sr)
0 lm/(cm²·sr) 0E+0 W/(cm²·sr)
-10 lm/(cm²·sr) -0.014641 W/(cm²·sr)
-40 lm/(cm²·sr) -0.058565 W/(cm²·sr)