Candela per Square Meter to Watt per Square Centimeter Steradian (at 555 nm) Conversion
Convert between Candela per Square Meter and Watt per Square Centimeter Steradian (at 555 nm) quickly and accurately.
How to Convert Candela per Square Meter to Watt per Square Centimeter Steradian (at 555 nm)
Conversion Formula
Example
Convert 15 cd/m² to W/(cm²·sr):
Unit Information
Learn about the luminance units you're converting between
Candela per Square Meter
cd/m²
Definition
The Candela per Square Meter is the SI derived unit of luminance, representing the luminous intensity per unit area of light traveling in a given direction. It quantifies how much light is emitted or reflected from a surface area.
History/Origin
Derived from the SI base units of luminous intensity (candela) and area (square meter), this unit was established as part of the modern metric system. It provides a standardized way to measure surface brightness and is fundamental to photometry and lighting design.
Current Use
Widely used in lighting engineering, display technology, and photometry for measuring screen brightness, surface illumination, and light output. Essential for designing lighting systems, evaluating display performance, and ensuring proper illumination levels in various applications.
Multiplier
1
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 Meter to Watt per Square Centimeter Steradian (at 555 nm) Conversion Table
| Candela per Square Meter [cd/m²] | Watt per Square Centimeter Steradian (at 555 nm) [W/(cm²·sr)] |
|---|---|
| 1 cd/m² | 1E-7 W/(cm²·sr) |
| 10 cd/m² | 0.000001 W/(cm²·sr) |
| 25 cd/m² | 0.000004 W/(cm²·sr) |
| 50 cd/m² | 0.000007 W/(cm²·sr) |
| 100 cd/m² | 0.000015 W/(cm²·sr) |
| 0 cd/m² | 0E+0 W/(cm²·sr) |
| -10 cd/m² | -0.000001 W/(cm²·sr) |
| -40 cd/m² | -0.000006 W/(cm²·sr) |
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