Convert Lumen per Square Meter to Lux
Convert lumens per square meter to lux by entering a value below.
How to Convert Lumens per Square Meter to Lux
The lumen per square meter and lux are both units of illuminance. By definition, 1 lumen per square meter equals exactly 1 lux. This means to convert lumens per square meter to lux, you multiply by 1.
Formula
Step-by-Step Example
Convert 5 lm/m² to lux:
We need to convert lumens per square meter to lux
Since 1 lm/m² = 1 lx, multiply by 1
5 × 1 = 5
5 lm/m² = 5 lx
Lumen per Square Meter to Lux Conversion Table
Quick reference table for common lumen per square meter to lux conversions. Click any value for detailed calculation.
| Lumens per Square Meter (lm/m²) | Lux (lx) |
|---|---|
| 1 lm/m² | 1 lx |
| 2 lm/m² | 2 lx |
| 5 lm/m² | 5 lx |
| 10 lm/m² | 10 lx |
| 15 lm/m² | 15 lx |
| 20 lm/m² | 20 lx |
| 25 lm/m² | 25 lx |
| 50 lm/m² | 50 lx |
| 100 lm/m² | 100 lx |
About These Units
Lumen per Square Meter (lm/m²)
Lumens per square meter (lm/m²) is the defining formula for lux: illuminance equals luminous flux divided by area. One lux = one lumen per square meter. Used in lighting calculations: required lumens = lux × area. Essential for lighting design and energy efficiency.
Lux (lx)
The lux (lx) is the SI unit of illuminance, measuring luminous flux per area (lumens per square meter). Typical values: moonlight 0.1 lx, office 300-500 lx, overcast day 1,000 lx, operating room 10,000 lx, direct sunlight 100,000 lx. Used in lighting design, photography, and workplace safety standards.
Frequently Asked Questions
How do I convert lumens per square meter to lux?
To convert lumens per square meter to lux, multiply the value by 1. For example, 10 lm/m² = 10 lx.
How many lux are in 1 lumen per square meter?
1 lumen per square meter equals 1 lux.
What is the formula for lumens per square meter to lux?
The formula is: lx = lm/m² × 1.