Table Of Contents
Lux to lumen per square foot Conversion
1 lux (lx) is equal to 0.09290304 lumen per square foot (lm/sq ft).
1 lx = 0.09290304 lm/sq ft
or
1 lm/sq ft = 10.76391042 lx
Formula
To convert a illuminance from lux (lx) to lumen per square foot (lm/sq ft), divide the illuminance in lux by 10.76391042
i(lm/sq ft) = i(lx) / 10.76391042
Examples:
Convert 500 lux to lumen per square foot:
i(lm/sq ft) = 500lx / 10.76391042 = 46.45152 lm/sq ft
Conversion table
| Lux (lx) | Lumen per square foot (lm/sq ft) |
|---|---|
| 1 lx | 0.09290304 lm/sq ft |
| 2 lx | 0.18580608 lm/sq ft |
| 3 lx | 0.27870912 lm/sq ft |
| 5 lx | 0.4645152 lm/sq ft |
| 10 lx | 0.9290304 lm/sq ft |
| 20 lx | 1.8580608 lm/sq ft |
| 25 lx | 2.322576 lm/sq ft |
| 50 lx | 4.645152 lm/sq ft |
| 100 lx | 9.290304 lm/sq ft |
| 200 lx | 18.580608 lm/sq ft |
| 300 lx | 27.870912 lm/sq ft |
| 500 lx | 46.45152 lm/sq ft |
| 750 lx | 69.67728 lm/sq ft |
| 1000 lx | 92.90304 lm/sq ft |
| 10000 lx | 929.0304 lm/sq ft |
| Lumen per square foot (lm/sq ft) | Lux (lx) |
|---|---|
| 1 lm/sq ft | 10.763910417 lx |
| 2 lm/sq ft | 21.527820833 lx |
| 3 lm/sq ft | 32.29173125 lx |
| 5 lm/sq ft | 53.819552084 lx |
| 10 lm/sq ft | 107.639104167 lx |
| 20 lm/sq ft | 215.278208334 lx |
| 25 lm/sq ft | 269.097760418 lx |
| 50 lm/sq ft | 538.195520835 lx |
| 100 lm/sq ft | 1076.391041671 lx |
| 200 lm/sq ft | 2152.782083342 lx |
| 300 lm/sq ft | 3229.173125013 lx |
| 500 lm/sq ft | 5381.955208355 lx |
| 750 lm/sq ft | 8072.932812532 lx |
| 1000 lm/sq ft | 10763.91041671 lx |
| 10000 lm/sq ft | 107639.104167097 lx |
Frequently asked questions
How do I convert lux to lumen per square foot?
Divide the value in lux by 10.76391042 to get the result in lumen per square foot. For example, 5 lx ÷ 10.76391042 = 0.4645152 lm/sq ft.
How many lumen per square foot are in 1 lux?
1 lux (lx) is equal to 0.09290304 lumen per square foot (lm/sq ft).
How do I convert lumen per square foot back to lux?
Use the inverse operation: multiply the value in lumen per square foot by 10.76391042 to get the result in lux.
How accurate is the lux to lumen per square foot conversion?
The converter multiplies by the conversion factor 10.76391042 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
