820 ft-cd ≈ 8,826.4 lx. To convert foot-candles to lux, multiply by 10.7639: 820 × 10.7639 = 8,826.4.
How to convert foot-candles to lux
lx = ft-cd × 10.7639
- 1 ft-cd = 10.7639 lx (and 1 lx = 0.09290313 ft-cd).
- Multiply the amount by the factor: 820 × 10.7639 = 8,826.4.
- Answer: 820 ft-cd ≈ 8,826.4 lx (rounded to 6 significant figures).
Foot-candles to Lux table
| Foot-candles (ft-cd) | Lux (lx) |
|---|---|
| 815 ft-cd | 8,772.58 lx |
| 816 ft-cd | 8,783.34 lx |
| 817 ft-cd | 8,794.11 lx |
| 818 ft-cd | 8,804.87 lx |
| 819 ft-cd | 8,815.63 lx |
| 820 ft-cd | 8,826.4 lx |
| 821 ft-cd | 8,837.16 lx |
| 822 ft-cd | 8,847.93 lx |
| 823 ft-cd | 8,858.69 lx |
| 824 ft-cd | 8,869.45 lx |
| 825 ft-cd | 8,880.22 lx |
| ft-cd | lx |
|---|---|
| 1 ft-cd | 10.7639 lx |
| 5 ft-cd | 53.8195 lx |
| 10 ft-cd | 107.639 lx |
| 50 ft-cd | 538.195 lx |
| 100 ft-cd | 1,076.39 lx |
| 1,000 ft-cd | 10,763.9 lx |