Lumen per Square Meter to Lumen per Square Foot Conversion
Convert between Lumen per Square Meter and Lumen per Square Foot quickly and accurately.
How to Convert Lumen per Square Meter to Lumen per Square Foot
Conversion Formula
Example
Convert 15 lm/m² to lm/ft²:
Unit Information
Learn about the illumination units you're converting between
Lumen per Square Meter
lm/m²
Definition
The Lumen per Square Meter is a unit of illuminance that is numerically equivalent to the lux. It represents the luminous flux per unit area, emphasizing the flux aspect of light measurement and providing a direct relationship between light output and surface illumination.
History/Origin
Derived from the fundamental definition of the lux as one lumen per square meter. It provides an alternative way to express illuminance that emphasizes the luminous flux component, making it useful in calculations involving light sources and their output.
Current Use
Widely used in lighting calculations and photometric applications where the relationship between luminous flux and surface area is important. It provides a practical way to understand illuminance in terms of light source output and surface coverage.
Multiplier
1
Offset
0
Lumen per Square Foot
lm/ft²
Definition
The Lumen per Square Foot is an imperial unit of illuminance equal to approximately 10.76 lux, representing the luminous flux per square foot. It is commonly used in countries employing the imperial system for lighting design and illuminance measurements.
History/Origin
Developed in countries using imperial units as a practical measure of illuminance. It provides a familiar reference for lighting professionals working with imperial measurements and is commonly used in architectural lighting and building design.
Current Use
Widely used in the United States and other imperial-system countries for lighting design, architectural applications, and general illuminance measurements. It provides a practical unit for lighting professionals and is commonly referenced in building codes and lighting standards.
Multiplier
10.764
Offset
0
Lumen per Square Meter to Lumen per Square Foot Conversion Table
| Lumen per Square Meter [lm/m²] | Lumen per Square Foot [lm/ft²] |
|---|---|
| 1 lm/m² | 0.092903 lm/ft² |
| 10 lm/m² | 0.92903 lm/ft² |
| 25 lm/m² | 2.322576 lm/ft² |
| 50 lm/m² | 4.645152 lm/ft² |
| 100 lm/m² | 9.290304 lm/ft² |
| 0 lm/m² | 0E+0 lm/ft² |
| -10 lm/m² | -0.92903 lm/ft² |
| -40 lm/m² | -3.716122 lm/ft² |
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