Watt per Square Centimeter Steradian (at 555 nm) to Foot-Lambert Conversion
Convert between Watt per Square Centimeter Steradian (at 555 nm) and Foot-Lambert quickly and accurately.
How to Convert Watt per Square Centimeter Steradian (at 555 nm) to Foot-Lambert
Conversion Formula
Example
Convert 15 W/(cm²·sr) to fL:
Unit Information
Learn about the luminance units you're converting between
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
Foot-Lambert
fL
Definition
The Foot-Lambert is an imperial unit of luminance equal to 3.4262590996 candela per square meter. It is commonly used in display technology and lighting applications in countries that employ imperial measurement systems.
History/Origin
This unit was developed as an imperial equivalent to the lambert, using square feet as the area unit. It provides a practical way to measure luminance in contexts where imperial units are standard, particularly in display technology and lighting applications.
Current Use
Widely used in display technology, particularly in the United States, for specifying monitor brightness, television luminance, and other display characteristics. Common in consumer electronics specifications and lighting applications where imperial units are standard.
Multiplier
3.426
Offset
0
Watt per Square Centimeter Steradian (at 555 nm) to Foot-Lambert Conversion Table
| Watt per Square Centimeter Steradian (at 555 nm) [W/(cm²·sr)] | Foot-Lambert [fL] |
|---|---|
| 1 W/(cm²·sr) | 1993427.759388 fL |
| 10 W/(cm²·sr) | 19934277.5938850008 fL |
| 25 W/(cm²·sr) | 49835693.9847119972 fL |
| 50 W/(cm²·sr) | 99671387.9694239944 fL |
| 100 W/(cm²·sr) | 199342775.9388470054 fL |
| 0 W/(cm²·sr) | 0E+0 fL |
| -10 W/(cm²·sr) | -19934277.5938850008 fL |
| -40 W/(cm²·sr) | -79737110.3755390048 fL |
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