Formula and method
The fc To lux Converter converts values between Foot-candle (fc) and Lux (lux).
Conversion factor: 1 Foot-candle (fc) = 10.76391 Lux (lux).
Illuminance conversions calculate luminous flux incident on a surface, converting between metric Lux and Imperial Foot-candles.
Examples
- Convert fc to lux instantly.
- Swap units or choose another unit from the same group.
- Example: 1 fc converts to 10.7639 lux.
- Illuminance measures light intensity on a surface in lux (lx = lm/m²) SI or foot-candles (fc, 1 fc = 10.764 lx). Overcast daylight outdoors: ~10,000 lx. Office workspace: 300–500 lx. Full moon: ~0.27 lx. Photography exposure and building lighting design both require illuminance calculations.
Understanding Foot-candle to Lux Conversion
Converting values from Foot-candle (fc) to Lux (lux) is a unit transformation in the illuminance measurement system. 1 Foot-candle (fc) equals exactly 10.76391 Lux (lux).
When this conversion matters: Illuminance measures light intensity on a surface in lux (lx = lm/m²) SI or foot-candles (fc, 1 fc = 10.764 lx). Overcast daylight outdoors: ~10,000 lx. Office workspace: 300–500 lx. Full moon: ~0.27 lx. Photography exposure and building lighting design both require illuminance calculations.
Precision & standards: Illuminance conversions calculate luminous flux incident on a surface, converting between metric Lux and Imperial Foot-candles. SpecWhale uses official SI and imperial conversion factors, computed with 64-bit IEEE 754 floating-point arithmetic entirely in your browser — no data is sent to any external server.
fc To lux Converter quick reference table
Common fc amounts converted to lux, generated from the exact formula above so every row matches the live calculator.
| fc | lux |
|---|---|
| 1 fc | 10.7639 lux |
| 2 fc | 21.5278 lux |
| 5 fc | 53.8195 lux |
| 10 fc | 107.6391 lux |
| 25 fc | 269.0977 lux |
| 50 fc | 538.1955 lux |
| 100 fc | 1,076.391 lux |
| 500 fc | 5,381.955 lux |
| 1,000 fc | 10,763.91 lux |
Convert fc to other units
- lux To fc Converter -- the reverse direction of this page.
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Frequently asked questions
How do I convert fc to lux with fc To lux Converter?
To convert fc to lux, enter your value into the input field above. CalcuSpec applies standard international unit conversion factors instantly as you type.
Is the fc To lux Converter calculation exact and standardized?
Yes, conversions on CalcuSpec use official international standard conversion factors (SI/Imperial) and compute locally in your browser with floating-point precision.
Does this illuminance converter require server communication?
No. All calculations run entirely inside your browser using client-side JavaScript. No data is sent to an external server or stored anywhere.
Is fc To lux Converter free to use?
Yes. fc To lux Converter is completely free, has no usage limit, and does not require an account, email, or API key.
What is the formula to convert Foot-candle (fc) to Lux (lux)?
1 Foot-candle (fc) = 10.76391 Lux (lux). Multiply any Foot-candle value by 10.76391 to calculate Lux.
Does fc To lux Converter store or upload my data?
No. fc To lux Converter calculates everything locally in your browser. Nothing you type is sent to a server or stored by SpecWhale.
How accurate is fc To lux Converter?
fc To lux Converter uses fixed, standard conversion ratios and rounds the displayed result. The underlying math does not change, so the same input always gives the same output.
Can I embed fc To lux Converter on my own website?
Yes. Use the "Embed this tool" snippet on this page to add a free, working copy of fc To lux Converter to your own blog post or page.