200 Lux to Foot-Candles
200 lx ≈ 18.58 fc
200 lux is approximately 18.58 foot-candles.
How to convert 200 lx to fc
Use the formula fc = lx ÷ 10.763910417:
fc = 200 ÷ 10.763910417fc = 18.580608
So 200 lx = 18.580608 fc, or about 18.58 fc rounded.
Rounded values and quick estimate
- Rounded to a whole number: 19 fc
- Rounded to one decimal place: 18.6 fc
- Conversion factor: 1 lux = 0.0929 foot-candles
Quick mental estimate: divide by 10. For 200 lx that gives about 20 fc — off by 1.42 fc (7.6%). Use the exact formula when precision matters.
200 Lux in other units
- Foot-candles
- 18.58 fc
200 lx and nearby values
| Lux | Foot-candles |
|---|---|
| 196 lx | 18.21 fc |
| 197 lx | 18.3 fc |
| 198 lx | 18.39 fc |
| 199 lx | 18.49 fc |
| 200 lx | 18.58 fc |
| 201 lx | 18.67 fc |
| 202 lx | 18.77 fc |
| 203 lx | 18.86 fc |
| 204 lx | 18.95 fc |
About lux and foot-candles
Lux is the SI unit of illuminance: one lumen per square meter. Offices are typically lit to 300–500 lux.
A foot-candle is one lumen per square foot, about 10.76 lux. US lighting design often uses foot-candles.
Related conversions
Frequently asked questions
What is 200 Lux in Foot-Candles?
200 lux is about 18.58 foot-candles (200 lx ≈ 18.58 fc).
How do you convert 200 lx to fc?
Apply fc = lx ÷ 10.763910417: fc = 200 ÷ 10.763910417, fc = 18.580608.
How many lux is 18.58 fc?
18.58 fc is about 199.99 lux.