Convert Millicandelas per square metre to Lamberts
Convert Millicandelas per square metre (mcd/m²) to Lamberts (L) instantly and accurately.
Conversion Formula
L = mcd/m² × 3.141592654e-7
About Millicandelas per square metre
The millicandela per square metre (mcd/m²) equals 10⁻³ cd/m². The luminance of a moonless night sky is ~10⁻³ cd/m²; a quarter-moon sky ~10⁻² cd/m². OLED screens in deep-black mode and unlit LCD panels measure a few mcd/m². Also the range for very dim indicator lamps. 1 mcd/m² = 10⁻³ cd/m².
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 An incandescent lamp globe at 3 200 K has luminance ~1 L; a clear sky is ~0.94 L. Superseded by cd/m² in SI photometry. 1 L = 10⁴/π cd/m².
Quick Reference Table
| Millicandelas per square metre (mcd/m²) | Lamberts (L) |
|---|---|
| 1 mcd/m² | 3.142 × 10-7 L |
| 2 mcd/m² | 6.283 × 10-7 L |
| 5 mcd/m² | 1.571 × 10-6 L |
| 10 mcd/m² | 3.142 × 10-6 L |
| 25 mcd/m² | 7.854 × 10-6 L |
| 50 mcd/m² | 1.571 × 10-5 L |
| 100 mcd/m² | 3.142 × 10-5 L |