Convert from obolos [Ancient Greece] to centigram

Unit Definition (obolos [Ancient Greece])
The obolos [Ancient Greece] is a historic unit of weight or mass. The obol is a very small weight that originated as the weight of a tiny Greek coin. In ancient Greece the obolos was equal to 1/6 drachma, or roughly half a gram (8 grains).

Unit Definition (centigram)
The centigram is a metric unit of mass equal to 10 milligrams or about 0.154 grain.