Aisha K.
Mar 12, 2026
Clean layout and the results update instantly. Exactly what I needed for a quick planning check.
Unit Converters
Foot-candles to Lux Converter
lux = foot-candles × 10.76391.
One foot-candle is one lumen per square foot, 10.764 lux. US building specs still print fc; EU prints lux. A 50 fc classroom is about 538 lx.
Foot-candles
fc → lx
107.64 lx
10 fc → 107.6 lx. 1 fc → 10.76 lx.
- You typed
- 10 fc
- One lx is
- 0.09 fc
- How it’s calculated
- lux = foot-candles × 10.76391.
Plain-English guide
Terms & how it works
Confused by a field? Read the short definitions here while you use the tool.
Foot-candles
The “Foot-candles” value used in this tool’s formula. Adjust it to see results update live.
How this calculator works
One foot-candle is one lumen per square foot, 10.764 lux. US building specs still print fc; EU prints lux. A 50 fc classroom is about 538 lx. lux = foot-candles × 10.76391. Example: 10 fc → 107.6 lx. 1 fc → 10.76 lx.
lux = foot-candles × 10.76391.
Example: 10 fc → 107.6 lx. 1 fc → 10.76 lx.
When to use this Foot-candles to Lux
Common use cases
- One foot-candle is one lumen per square foot, 10.764 lux. US building specs still print fc; EU prints lux. A 50 fc classroom is about 538 lx.
- Sanity-check with this case: 10 fc → 107.6 lx. 1 fc → 10.76 lx.
- The relationship is: lux = foot-candles × 10.76391.
Localized examples
- Unit Converters: the example on this page uses the same formula as the widget.
What you get
- Fields: Foot-candles
- lux = foot-candles × 10.76391.
- Example on the page: 10 fc → 107.6 lx. 1 fc → 10.76 lx.
How to Convert Foot-candles to Lux Step-by-Step
- 1Enter Foot-candles. Use the values you have, not a catalog average, unless that is all you know.
- 2lux = foot-candles × 10.76391.
- 3Worked case: 10 fc → 107.6 lx. 1 fc → 10.76 lx.
- 4Check which dictionary the other person is using — US or UK, decimal or 1,024 — then trust the number.
Governing formula
lux = foot-candles × 10.76391.
10 fc → 107.6 lx. 1 fc → 10.76 lx.
Example: set Foot-candles = 10, then read the result.
Variable definitions
- value
Foot-candles
The “Foot-candles” field. Default 10; typical range 0–20000.
- The conversion (lux = foot-candles × 10.76391.) does not pick US vs UK gallons, SI vs binary megabytes, or Mach at altitude for you. Read the footnote on the page.
- Nothing here is uploaded for the calculation itself.
Frequently Asked Questions
Phone sensors lie in mixed light. Convert the number you were given, then measure if it is a lawsuit.
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Reviews & Ratings
See what others think about this tool, then leave your own rating to help improve CalculioHub.
4.8
out of 5.0
4 reviews
Daniel R.
Feb 28, 2026
Very usable on mobile. Would love a save/export option later, but the math feels solid.
Priya S.
Feb 3, 2026
The FAQ section answered my questions before I even had to search. Smooth dark mode too.
Marcus L.
Jan 19, 2026
Simple inputs, clear outputs. This replaced three bookmarks I used to juggle.
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