Convert Candelas per square metre to Candelas per square inch
Convert Candelas per square metre (cd/m²) to Candelas per square inch (cd/in²) instantly and accurately.
Conversion Formula
cd/in² = cd/m² × 0.00064516
About Candelas per square metre
The candela per square metre (cd/m²), informally called the nit, is the SI coherent unit of luminance. A typical laptop screen is 250-500 cd/m²; an HDR TV reaches 1 000-4 000 cd/m²; a clear blue sky is ~3 000-8 000 cd/m². Luminance is the photometric quantity directly perceived as brightness. 1 cd/m² = 1 nit.
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.
Quick Reference Table
| Candelas per square metre (cd/m²) | Candelas per square inch (cd/in²) |
|---|---|
| 1 cd/m² | 0.00064516 cd/in² |
| 2 cd/m² | 0.00129032 cd/in² |
| 5 cd/m² | 0.0032258 cd/in² |
| 10 cd/m² | 0.0064516 cd/in² |
| 25 cd/m² | 0.016129 cd/in² |
| 50 cd/m² | 0.032258 cd/in² |
| 100 cd/m² | 0.064516 cd/in² |