Candela per Square Inch to Watt per Square Centimeter Steradian (at 555 nm) Conversion
Convert between Candela per Square Inch and Watt per Square Centimeter Steradian (at 555 nm) quickly and accurately.
How to Convert Candela per Square Inch to Watt per Square Centimeter Steradian (at 555 nm)
Conversion Formula
Example
Convert 15 cd/in² to W/(cm²·sr):
Unit Information
Learn about the luminance units you're converting between
Candela per Square Inch
cd/in²
Definition
The Candela per Square Inch is an imperial unit of luminance, representing the luminous intensity per unit area using the square inch as the area unit. It is used for measuring very bright light sources and small-area displays.
History/Origin
This unit was developed for applications requiring precise measurement of small, bright light sources where square inches provide a more appropriate area reference. It is particularly useful in electronics and display technology where component sizes are measured in inches.
Current Use
Commonly used in electronics manufacturing, small display technology, and precision lighting applications. Essential for measuring LED arrays, small screens, and compact light sources where square inch measurements are standard.
Multiplier
1550.003
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
Candela per Square Inch to Watt per Square Centimeter Steradian (at 555 nm) Conversion Table
| Candela per Square Inch [cd/in²] | Watt per Square Centimeter Steradian (at 555 nm) [W/(cm²·sr)] |
|---|---|
| 1 cd/in² | 0.000227 W/(cm²·sr) |
| 10 cd/in² | 0.002269 W/(cm²·sr) |
| 25 cd/in² | 0.005674 W/(cm²·sr) |
| 50 cd/in² | 0.011347 W/(cm²·sr) |
| 100 cd/in² | 0.022694 W/(cm²·sr) |
| 0 cd/in² | 0E+0 W/(cm²·sr) |
| -10 cd/in² | -0.002269 W/(cm²·sr) |
| -40 cd/in² | -0.009078 W/(cm²·sr) |
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