Convert Microlux to Lumens per square yard
Convert Microlux (µlx) to Lumens per square yard (lm/yd²) instantly and accurately.
Conversion Formula
lm/yd² = µlx × 8.361273600e-7
About Microlux
The microlux (µlx) equals 10⁻⁶ lx. Natural night illuminance: a moonless overcast sky ~100 µlx; scattered starlight ~200-300 µlx; crescent moon ~10-50 µlx. Used in night-vision equipment sensitivity specifications and observatory site-quality assessments. 1 µlx = 10⁻⁶ lx.
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
| Microlux (µlx) | Lumens per square yard (lm/yd²) |
|---|---|
| 1 µlx | 8.361 × 10-7 lm/yd² |
| 2 µlx | 1.672 × 10-6 lm/yd² |
| 5 µlx | 4.181 × 10-6 lm/yd² |
| 10 µlx | 8.361 × 10-6 lm/yd² |
| 25 µlx | 2.09 × 10-5 lm/yd² |
| 50 µlx | 4.181 × 10-5 lm/yd² |
| 100 µlx | 8.361 × 10-5 lm/yd² |