Convert Lamberts to Candelas per square foot
Convert Lamberts (L) to Candelas per square foot (cd/ft²) instantly and accurately.
Conversion Formula
cd/ft² = L × 295.7195609
About Lamberts
The lambert (L) equals 10⁴/π cd/m² ≈ 3 183 cd/m², the luminance of a perfect diffuse surface emitting 1 lumen per square centimetre. The CGS practical luminance unit. An incandescent lamp globe at 3 200 K has luminance ~1 L; a clear sky is ~0.94 L. Superseded by cd/m² in SI photometry. 1 L = 10⁴/π cd/m².
About Candelas per square foot
The candela per square foot (cd/ft²) equals 1/0.09290304 cd/m² ≈ 10.76 cd/m². Used in US lighting engineering; an illuminated office ceiling panel has luminance ~4-8 cd/ft². The ANSI ergonomic limit for computer workstation background sources is ~340 cd/ft². 1 cd/ft² = 1/0.09290304 cd/m².
Quick Reference Table
| Lamberts (L) | Candelas per square foot (cd/ft²) |
|---|---|
| 1 L | 295.72 cd/ft² |
| 2 L | 591.439 cd/ft² |
| 5 L | 1478.6 cd/ft² |
| 10 L | 2957.2 cd/ft² |
| 25 L | 7392.99 cd/ft² |
| 50 L | 14786 cd/ft² |
| 100 L | 29572 cd/ft² |