3.91 lx ≈ 0.363251 ft-cd. To convert lux to foot-candles, multiply by 0.09290313: 3.91 × 0.09290313 = 0.363251.
How to convert lux to foot-candles
ft-cd = lx × 0.09290313
- 1 lx = 0.09290313 ft-cd (and 1 ft-cd = 10.7639 lx).
- Multiply the amount by the factor: 3.91 × 0.09290313 = 0.363251.
- Answer: 3.91 lx ≈ 0.363251 ft-cd (rounded to 6 significant figures).
Lux to Foot-candles table
| Lux (lx) | Foot-candles (ft-cd) |
|---|---|
| 3.86 lx | 0.358606 ft-cd |
| 3.87 lx | 0.359535 ft-cd |
| 3.88 lx | 0.360464 ft-cd |
| 3.89 lx | 0.361393 ft-cd |
| 3.9 lx | 0.362322 ft-cd |
| 3.91 lx | 0.363251 ft-cd |
| 3.92 lx | 0.36418 ft-cd |
| 3.93 lx | 0.365109 ft-cd |
| 3.94 lx | 0.366038 ft-cd |
| 3.95 lx | 0.366967 ft-cd |
| 3.96 lx | 0.367896 ft-cd |
| lx | ft-cd |
|---|---|
| 1 lx | 0.0929031 ft-cd |
| 5 lx | 0.464516 ft-cd |
| 10 lx | 0.929031 ft-cd |
| 50 lx | 4.6452 ft-cd |
| 100 lx | 9.2903 ft-cd |
| 1,000 lx | 92.9031 ft-cd |