800 Lux to Foot-Candles
800 lx ≈ 74.32 fc
800 lux is approximately 74.32 foot-candles.
How to convert 800 lx to fc
Use the formula fc = lx ÷ 10.763910417:
fc = 800 ÷ 10.763910417fc = 74.322432
So 800 lx = 74.322432 fc, or about 74.32 fc rounded.
Rounded values and quick estimate
- Rounded to a whole number: 74 fc
- Rounded to one decimal place: 74.3 fc
- Conversion factor: 1 lux = 0.0929 foot-candles
Quick mental estimate: divide by 10. For 800 lx that gives about 80 fc — off by 5.68 fc (7.6%). Use the exact formula when precision matters.
800 Lux in other units
- Foot-candles
- 74.32 fc
800 lx and nearby values
| Lux | Foot-candles |
|---|---|
| 796 lx | 73.95 fc |
| 797 lx | 74.04 fc |
| 798 lx | 74.14 fc |
| 799 lx | 74.23 fc |
| 800 lx | 74.32 fc |
| 801 lx | 74.42 fc |
| 802 lx | 74.51 fc |
| 803 lx | 74.6 fc |
| 804 lx | 74.69 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 800 Lux in Foot-Candles?
800 lux is about 74.32 foot-candles (800 lx ≈ 74.32 fc).
How do you convert 800 lx to fc?
Apply fc = lx ÷ 10.763910417: fc = 800 ÷ 10.763910417, fc = 74.322432.
How many lux is 74.32 fc?
74.32 fc is about 799.97 lux.