Foot-candles to kilolux
Type a value in fc to get it in klx instantly.
5.382klx
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.
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 klx
To convert foot-candles to kilolux, multiply by 0.0107639.
Example: 500 fc × 0.0107639 = 5.38196 klx.
In the other direction, 1 klx = 92.903 fc.
Every unit
Your light level in every unit
Tables
fc to klx conversion table
| fc | klx |
|---|---|
| 1 fc | 0.0107639 klx |
| 5 fc | 0.0538196 klx |
| 10 fc | 0.107639 klx |
| 50 fc | 0.538196 klx |
| 100 fc | 1.07639 klx |
| 200 fc | 2.15278 klx |
| 300 fc | 3.22917 klx |
| 500 fc | 5.38196 klx |
| 750 fc | 8.07293 klx |
| 1,000 fc | 10.7639 klx |
| 2,000 fc | 21.5278 klx |
| 5,000 fc | 53.8196 klx |
| 10,000 fc | 107.639 klx |
klx to fc conversion table
| klx | fc |
|---|---|
| 1 klx | 92.903 fc |
| 5 klx | 464.515 fc |
| 10 klx | 929.03 fc |
| 50 klx | 4,645.15 fc |
| 100 klx | 9,290.3 fc |
| 200 klx | 18,580.6 fc |
| 300 klx | 27,870.9 fc |
| 500 klx | 46,451.5 fc |
| 750 klx | 69,677.3 fc |
| 1,000 klx | 92,903 fc |
| 2,000 klx | 185,806 fc |
| 5,000 klx | 464,515 fc |
| 10,000 klx | 929,030 fc |
Quick answers
Quick answers
- How many klx is 1 fc?
- 1 fc is 0.0107639 klx.
- How many klx is 10 fc?
- 10 fc is 0.107639 klx.
- How many klx is 500 fc?
- 500 fc is 5.38196 klx.
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.
Kilolux (klx)
A kilolux is 1,000 lux. Daylight outdoors is measured in kilolux: 10 klx on an overcast day, 100 klx in direct sun.
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