Watt per Square Centimeter Steradian (at 555 nm) to Candela per Square Foot Conversion
Convert between Watt per Square Centimeter Steradian (at 555 nm) and Candela per Square Foot quickly and accurately.
How to Convert Watt per Square Centimeter Steradian (at 555 nm) to Candela per Square Foot
Conversion Formula
Example
Convert 15 W/(cm²·sr) to cd/ft²:
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
Candela per Square Foot
cd/ft²
Definition
The Candela per Square Foot is an imperial unit of luminance, representing the luminous intensity per unit area using the square foot as the area unit. It is commonly used in countries that employ imperial measurement systems for lighting applications.
History/Origin
Developed as part of the imperial system of measurements, this unit provides a practical way to measure surface brightness in contexts where square feet are the standard area unit. It bridges the gap between metric and imperial systems in lighting applications.
Current Use
Used in lighting design and engineering in countries using imperial units, particularly in the United States. Common in architectural lighting, display specifications, and lighting calculations where square footage is the standard area measurement.
Multiplier
10.764
Offset
0
Watt per Square Centimeter Steradian (at 555 nm) to Candela per Square Foot Conversion Table
| Watt per Square Centimeter Steradian (at 555 nm) [W/(cm²·sr)] | Candela per Square Foot [cd/ft²] |
|---|---|
| 1 W/(cm²·sr) | 634527.7632010001 cd/ft² |
| 10 W/(cm²·sr) | 6345277.6320059998 cd/ft² |
| 25 W/(cm²·sr) | 15863194.0800139997 cd/ft² |
| 50 W/(cm²·sr) | 31726388.1600290015 cd/ft² |
| 100 W/(cm²·sr) | 63452776.3200569972 cd/ft² |
| 0 W/(cm²·sr) | 0E+0 cd/ft² |
| -10 W/(cm²·sr) | -6345277.6320059998 cd/ft² |
| -40 W/(cm²·sr) | -25381110.5280230008 cd/ft² |
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