Candle is a unit of luminous intensity.
Carat
(Units Package Symbol) Carat is a unit of weight.
Celsius is a unit of temperature.
Cental is a unit of weight.
Centigrade is a unit of temperature.
Century is a unit of time.
Cicero is a unit of length.
Cord
(Units Package Symbol) Cord is a unit of volume.
Coulomb is the derived SI unit of electric charge.
Cubit
(Units Package Symbol) Cubit is a unit of length.