How many cubic centimeters are in a gram?

Answer 1

Such a comparison isn't possible because gram is a unit of mass and cubic centimetres is a unit of volume.

However a gram was initially defined as 'the mass of 1cm^3 of water at 4.0 degrees Celsius' So 1 cubic centimetre of water weighs a gram, but for any other substance, it comes down to the density of said substance. Thus any such conversion may not be made, but the volume (amount of cubic centimetres) can be deduced from the weight, though this is only applicable to water, at sea level and at 4.0 degrees Celsius.