Foot-candles to lux
Type a value in fc to get it in lx instantly.
5,381.955lx
That's 5.4× as bright as a TV studio, while an overcast day is 1.86× brighter. Desk work wants about 500 lux; a bright overcast day outdoors is 10,000.
Convert the other way: lx to fc
What it means
How bright is that?
These units measure light falling on a surface, not the brightness of a lamp, which is measured in lumens.
The math
How to convert fc to lx
To convert foot-candles to lux, multiply by 10.7639.
Example: 500 fc × 10.7639 = 5,381.96 lx.
In the other direction, 1 lx = 0.092903 fc.
Every unit
Your light level in every unit
Tables
fc to lx conversion table
| fc | lx |
|---|---|
| 1 fc | 10.7639 lx |
| 5 fc | 53.8196 lx |
| 10 fc | 107.639 lx |
| 50 fc | 538.196 lx |
| 100 fc | 1,076.39 lx |
| 200 fc | 2,152.78 lx |
| 300 fc | 3,229.17 lx |
| 500 fc | 5,381.96 lx |
| 750 fc | 8,072.93 lx |
| 1,000 fc | 10,763.9 lx |
| 2,000 fc | 21,527.8 lx |
| 5,000 fc | 53,819.6 lx |
| 10,000 fc | 107,639 lx |
lx to fc conversion table
| lx | fc |
|---|---|
| 1 lx | 0.092903 fc |
| 5 lx | 0.464515 fc |
| 10 lx | 0.92903 fc |
| 50 lx | 4.64515 fc |
| 100 lx | 9.2903 fc |
| 200 lx | 18.5806 fc |
| 300 lx | 27.8709 fc |
| 500 lx | 46.4515 fc |
| 750 lx | 69.6773 fc |
| 1,000 lx | 92.903 fc |
| 2,000 lx | 185.806 fc |
| 5,000 lx | 464.515 fc |
| 10,000 lx | 929.03 fc |
Quick answers
Quick answers
- How many lx is 1 fc?
- 1 fc is 10.7639 lx.
- How many lx is 10 fc?
- 10 fc is 107.639 lx.
- How many lx is 500 fc?
- 500 fc is 5,381.96 lx.
The units
About these units
Foot-candles (fc)
A foot-candle is one lumen per square foot, about 10.76 lux. US lighting codes and photography use it.
Lux (lx)
One lux is one lumen spread over one square meter. It is the SI unit for how much light reaches a surface.
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