Lumen per Square Meter to Lux Conversion

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

lm/m²
lx

How to Convert Lumen per Square Meter to Lux

Conversion Formula

1 lm/m² = 1 lx
1 lx = 1 lm/m²

Example

Convert 15 lm/m² to lx:

15 lm/m² = 15 × 1 lx = 15 lx

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

Lux

lx

Definition

The Lux is the SI derived unit of illuminance, representing the luminous flux per unit area. It measures the amount of light that falls on a surface, with one lux being equal to one lumen per square meter. This unit is fundamental in lighting design and photometry.

History/Origin

The lux was established as part of the International System of Units (SI) in 1960, derived from the candela and meter. It replaced earlier illumination units and provides a standardized way to measure light levels for various applications, from architectural lighting to scientific research.

Current Use

Widely used in lighting design, photography, workplace safety standards, and scientific research. It is essential for determining proper lighting levels in buildings, outdoor spaces, and industrial environments, ensuring adequate visibility and safety.

Multiplier

1

Offset

0

Lumen per Square Meter to Lux Conversion Table

Lumen per Square Meter [lm/m²] Lux [lx]
1 lm/m² 1 lx
10 lm/m² 10 lx
25 lm/m² 25 lx
50 lm/m² 50 lx
100 lm/m² 100 lx
0 lm/m² 0E+0 lx
-10 lm/m² -10 lx
-40 lm/m² -40 lx