Convert Footcandles to Lux

Convert footcandles to lux instantly with our free online calculator. Enter footcandles and get accurate lux values using the exact formula (1 fc = 10.7639 lx). Includes examples and FAQs.

Footcandles to Lux Calculator

Lux: 0

What is a Footcandle and a Lux?

  • Footcandle (fc): A unit of illuminance used mainly in the U.S., measuring light intensity over a surface area.
  • Lux (lx): The SI (metric) unit of illuminance, used internationally.

Relation:
1 footcandle = 10.7639 lux

How to Convert Footcandles to Lux

To convert footcandles to lux, multiply the value in footcandles by 10.7639.

Footcandles to Lux Conversion Formula

Lux=Footcandles×10.7639

Examples

  • 1000 footcandles to lux → 1000×10.7639= 10763.9 lux
  • 200 footcandles to lux → 200×10.7639= 2152.78 lux
  • 400 footcandles to lux → 400×10.7639= 4305.56 lux
  • 100 footcandles to lux → 100×10.7639= 1076.39 lux

FAQs

1. Why convert footcandles to lux?
Lux is the international standard for illuminance. Many lighting specifications and regulations use lux instead of footcandles.

2. Is the conversion exact?
Yes. 1 footcandle equals exactly 10.7639 lux.

3. Can I convert lux back to footcandles?
Yes. Divide the lux value by 10.7639: Footcandles=Lux÷10.7639\text{Footcandles} = \text{Lux} \div 10.7639Footcandles=Lux÷10.7639

4. Where is footcandles measurement still common?
Footcandles are still used in the United States, particularly in architecture, photography, and building codes.

Also see:

Lighting Converters