Convert Candelas to Megacandelas
Convert Candelas (cd) to Megacandelas (Mcd) instantly and accurately.
Conversion Formula
Mcd = cd × 1.000000000e-6
About Candelas
The candela (cd) is the SI base unit of luminous intensity. A standard wax candle emits ~1 cd; a 60 W incandescent bulb ~60 cd (assuming Lambertian emission); a 1 W white power LED ~100 cd peak in a 5° beam. Defined since 2019 by fixing K_cd = 683 lm/W at 540 THz. 1 cd = 1 lm/sr.
About Megacandelas
The megacandela (Mcd) equals 10⁶ cd. The range for powerful searchlights and lighthouse optics: a large maritime lighthouse lens emits 1-10 Mcd; military anti-aircraft searchlights of WWII reached 1-2 Mcd; modern LED lighthouse arrays 2-5 Mcd. 1 Mcd = 10⁶ cd.
Quick Reference Table
| Candelas (cd) | Megacandelas (Mcd) |
|---|---|
| 1 cd | 1 × 10-6 Mcd |
| 2 cd | 2 × 10-6 Mcd |
| 5 cd | 5 × 10-6 Mcd |
| 10 cd | 1 × 10-5 Mcd |
| 25 cd | 2.5 × 10-5 Mcd |
| 50 cd | 5 × 10-5 Mcd |
| 100 cd | 1 × 10-4 Mcd |