I am not aware of a unit of measurement for volumewhose symbol is ci.
That is 5,000 cc
250
2,750 cc
1 gallon = 3785.41 cc
473.176473 cc American568.26125 cc UK
64.9 cc
3 CC = HOW MANY MG
2,750 cc
5 cc in a teaspoon
236.6 cc
1,500 cc
15 cc in a tablespoon.