Convert Kilolux to Lumens per square yard
Convert Kilolux (klx) to Lumens per square yard (lm/yd²) instantly and accurately.
Conversion Formula
lm/yd² = klx × 836.12736
About Kilolux
The kilolux (klx) equals 1 000 lx. Outdoor daytime scale: overcast sky ~10-20 klx; direct mid-latitude sunshine at noon ~80-100 klx. Required for fine inspection work, surgery, and color-critical print evaluation (ISO 3664: 2 klx). Also the range for plant-growth LED systems at canopy level. 1 klx = 10³ 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
| Kilolux (klx) | Lumens per square yard (lm/yd²) |
|---|---|
| 1 klx | 836.127 lm/yd² |
| 2 klx | 1672.25 lm/yd² |
| 5 klx | 4180.64 lm/yd² |
| 10 klx | 8361.27 lm/yd² |
| 25 klx | 20903.2 lm/yd² |
| 50 klx | 41806.4 lm/yd² |
| 100 klx | 83612.7 lm/yd² |