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.
Centimeter is the fundamental CGS unit of length.
Century is a unit of time.
Chain
(Units Package Symbol) Chain is a unit of length.
Cicero is a unit of length.
Convert[expr, newunits] converts expr to a form involving a combination of units newunits.
Cord
(Units Package Symbol) Cord is a unit of volume.