Lux to foot-candles
Type a value in lx to get it in fc instantly.
46.45fc
That's about the same as an office desk. Desk work wants about 500 lux; a bright overcast day outdoors is 10,000.
Convert the other way: fc to lx
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 lx to fc
To convert lux to foot-candles, multiply by 0.092903.
Example: 500 lx × 0.092903 = 46.4515 fc.
In the other direction, 1 fc = 10.7639 lx.
Every unit
Your light level in every unit
Tables
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 |
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 |
Quick answers
Quick answers
- How many fc is 1 lx?
- 1 lx is 0.092903 fc.
- How many fc is 10 lx?
- 10 lx is 0.92903 fc.
- How many fc is 500 lx?
- 500 lx is 46.4515 fc.
The units
About these units
Lux (lx)
One lux is one lumen spread over one square meter. It is the SI unit for how much light reaches a surface.
Foot-candles (fc)
A foot-candle is one lumen per square foot, about 10.76 lux. US lighting codes and photography use it.
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