How many cc's are in one fluid ounce?

1 cc (cubic centimeter or cm3) is equal to 1 milliliter (mL)

1 US fluid ounce = 29.5735297 ml

So there are 29.5735297 cc's in one fluid ounce.

**This is fine for volumes of water. However, if you are looking to find the weight of anything the density must be considered. And for water at 4 degrees Celsius 1 g/ml - at other temperatures it varies slightly. And other liquids will vary significantly.