Convert Lumens per square yard to Lux
Convert Lumens per square yard (lm/yd²) to Lux (lx) instantly and accurately.
Conversion Formula
lx = lm/yd² × 1.195990046
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.
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.
Quick Reference Table
| Lumens per square yard (lm/yd²) | Lux (lx) |
|---|---|
| 1 lm/yd² | 1.19599 lx |
| 2 lm/yd² | 2.39198 lx |
| 5 lm/yd² | 5.97995 lx |
| 10 lm/yd² | 11.9599 lx |
| 25 lm/yd² | 29.8998 lx |
| 50 lm/yd² | 59.7995 lx |
| 100 lm/yd² | 119.599 lx |