Lumen per Square Foot Steradian to Candela per Square Meter Conversion
Convert between Lumen per Square Foot Steradian and Candela per Square Meter quickly and accurately.
How to Convert Lumen per Square Foot Steradian to Candela per Square Meter
Conversion Formula
Example
Convert 15 lm/(ft²·sr) to cd/m²:
Unit Information
Learn about the luminance units you're converting between
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
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 to Candela per Square Meter Conversion Table
| Lumen per Square Foot Steradian [lm/(ft²·sr)] | Candela per Square Meter [cd/m²] |
|---|---|
| 1 lm/(ft²·sr) | 10.76391 cd/m² |
| 10 lm/(ft²·sr) | 107.639104 cd/m² |
| 25 lm/(ft²·sr) | 269.09776 cd/m² |
| 50 lm/(ft²·sr) | 538.195521 cd/m² |
| 100 lm/(ft²·sr) | 1076.391042 cd/m² |
| 0 lm/(ft²·sr) | 0E+0 cd/m² |
| -10 lm/(ft²·sr) | -107.639104 cd/m² |
| -40 lm/(ft²·sr) | -430.556417 cd/m² |
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