231 lx ≈ 21.4606 ft-cd. To convert lux to foot-candles, multiply by 0.09290313: 231 × 0.09290313 = 21.4606.
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: 231 × 0.09290313 = 21.4606.
- Answer: 231 lx ≈ 21.4606 ft-cd (rounded to 6 significant figures).
Lux to Foot-candles table
| Lux (lx) | Foot-candles (ft-cd) |
|---|---|
| 226 lx | 20.9961 ft-cd |
| 227 lx | 21.089 ft-cd |
| 228 lx | 21.1819 ft-cd |
| 229 lx | 21.2748 ft-cd |
| 230 lx | 21.3677 ft-cd |
| 231 lx | 21.4606 ft-cd |
| 232 lx | 21.5535 ft-cd |
| 233 lx | 21.6464 ft-cd |
| 234 lx | 21.7393 ft-cd |
| 235 lx | 21.8322 ft-cd |
| 236 lx | 21.9251 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 |