Luminous intensity symbol " J", base unit is candela .
Luminous intensity (J), SI base unit of luminous intensity is the candela (cd).
One candela (cd) is equal to 1 candlepower (cp).
One candlepower (cp) is equal to 0.9803921568627451 decimal candle .
One decimal candle is equal to 1.0397553516819573 candlepower (old European) (cp).