Candela per Square Meter to Lumen per Square Foot Steradian Conversion
Convert between Candela per Square Meter and Lumen per Square Foot Steradian quickly and accurately.
How to Convert Candela per Square Meter to Lumen per Square Foot Steradian
Conversion Formula
Example
Convert 15 cd/m² to lm/(ft²·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
Lumen per Square Foot Steradian
lm/(ft²·sr)
Definition
The Lumen per Square Foot Steradian is an imperial unit of luminance that shows the relationship between luminous flux, area, and solid angle using square feet. It is equivalent to 10.7639104167 candela per square meter.
History/Origin
This unit was developed for use in countries employing imperial measurements, providing a way to express luminance in terms of square feet while maintaining the relationship to luminous flux and solid angle. It bridges metric and imperial systems in lighting applications.
Current Use
Used in lighting design and engineering in countries using imperial units, particularly in architectural lighting and display specifications. Common in applications where square footage is the standard area measurement and precise luminance control is required.
Multiplier
10.764
Offset
0
Candela per Square Meter to Lumen per Square Foot Steradian Conversion Table
| Candela per Square Meter [cd/m²] | Lumen per Square Foot Steradian [lm/(ft²·sr)] |
|---|---|
| 1 cd/m² | 0.092903 lm/(ft²·sr) |
| 10 cd/m² | 0.92903 lm/(ft²·sr) |
| 25 cd/m² | 2.322576 lm/(ft²·sr) |
| 50 cd/m² | 4.645152 lm/(ft²·sr) |
| 100 cd/m² | 9.290304 lm/(ft²·sr) |
| 0 cd/m² | 0E+0 lm/(ft²·sr) |
| -10 cd/m² | -0.92903 lm/(ft²·sr) |
| -40 cd/m² | -3.716122 lm/(ft²·sr) |
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