Convert Candelas per square inch to Kilocandelas per square metre

Convert Candelas per square inch (cd/in²) to Kilocandelas per square metre (kcd/m²) instantly and accurately.

Candelas per square inch (cd/in²)
Kilocandelas per square metre (kcd/m²)

Conversion Formula

kcd/m² = cd/in² × 1.5500031

About Candelas per square inch

The candela per square inch (cd/in²) equals 1/0.00064516 cd/m² ≈ 1 550 cd/m². Used in US LED and CRT datasheets when citing luminance of small emitter areas. A high-brightness packaged LED chip in a focussed-beam configuration can reach 1-20 cd/in². 1 cd/in² = 1/(0.0254²) cd/m².

About Kilocandelas per square metre

The kilocandela per square metre (kcd/m²) equals 1 000 cd/m². The scale for HDR displays and high-brightness monitors: VESA DisplayHDR 1000 requires 1 kcd/m² peak; professional HDR mastering monitors reach 1-4 kcd/m²; an overcast sky measures ~3-8 kcd/m²; a fluorescent tube ~7 kcd/m². 1 kcd/m² = 10³ cd/m².

Quick Reference Table

Candelas per square inch (cd/in²)Kilocandelas per square metre (kcd/m²)
1 cd/in²1.55 kcd/m²
2 cd/in²3.10001 kcd/m²
5 cd/in²7.75002 kcd/m²
10 cd/in²15.5 kcd/m²
25 cd/in²38.7501 kcd/m²
50 cd/in²77.5002 kcd/m²
100 cd/in²155 kcd/m²

→ Full Luminance Converter