Lumen per Square Meter to Lumen per Square Foot Conversion

Convert between Lumen per Square Meter and Lumen per Square Foot quickly and accurately.

lm/m²
lm/ft²

How to Convert Lumen per Square Meter to Lumen per Square Foot

Conversion Formula

1 lm/m² = 0.093 lm/ft²
1 lm/ft² = 10.764 lm/m²

Example

Convert 15 lm/m² to lm/ft²:

15 lm/m² = 15 × 0.093 lm/ft² = 1.394 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