Convert Lux to Lumens per square yard
Convert Lux (lx) to Lumens per square yard (lm/yd²) instantly and accurately.
Conversion Formula
lm/yd² = lx × 0.83612736
About Lux
The lux (lx) is the SI coherent unit of illuminance, equal to 1 lm/m². Civil twilight outdoors: ~10 lx; dimly lit corridor: ~50 lx; typical office (EN 12464): 300-500 lx; operating theatre: ~1 000 lx. The most widely used illuminance unit in lighting standards worldwide. 1 lx = 1 lm/m².
About Lumens per square yard
The lumen per square yard (lm/yd²) equals 1/0.83612736 lx ≈ 1.196 lx. Used occasionally in UK outdoor area lighting specifications alongside foot-candles. A 3 lx minimum car-park standard equals ~2.5 lm/yd²; a 100 lx sports-field requirement ~84 lm/yd². 1 lm/yd² = 1/0.83612736 lx.
Quick Reference Table
| Lux (lx) | Lumens per square yard (lm/yd²) |
|---|---|
| 1 lx | 0.836127 lm/yd² |
| 2 lx | 1.67225 lm/yd² |
| 5 lx | 4.18064 lm/yd² |
| 10 lx | 8.36127 lm/yd² |
| 25 lx | 20.9032 lm/yd² |
| 50 lx | 41.8064 lm/yd² |
| 100 lx | 83.6127 lm/yd² |