Convert Candelas to Gigacandelas
Convert Candelas (cd) to Gigacandelas (Gcd) instantly and accurately.
Conversion Formula
Gcd = cd × 1.000000000e-9
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 Gigacandelas
The gigacandela (Gcd) equals 10⁹ cd. The scale for extremely powerful directed beams and for astrophysical luminous intensity comparisons. A nuclear fireball at peak emission approaches this range; high-power pulsed laser outputs in the visible spectrum can reach Gcd-level peak intensity in the beam axis. 1 Gcd = 10⁹ cd.
Quick Reference Table
| Candelas (cd) | Gigacandelas (Gcd) |
|---|---|
| 1 cd | 1 × 10-9 Gcd |
| 2 cd | 2 × 10-9 Gcd |
| 5 cd | 5 × 10-9 Gcd |
| 10 cd | 1 × 10-8 Gcd |
| 25 cd | 2.5 × 10-8 Gcd |
| 50 cd | 5 × 10-8 Gcd |
| 100 cd | 1 × 10-7 Gcd |