A gallon is a unit of capacity. A centimetre is a unit of distance. The two units are incompatible.
3 US gallons = 11,356.24 cc
3 centimeters is 0.03 meters.
3 gallons are equal to 48 cups
300
1 foot = 30.48 centimeters so based on that 3 foot = 91.44 centimeters
3
3
6 x 1/2 gallons = 3 gallons.
3 centimeters is equal to 30 millimeters.
30 centimetres are equal to .3 metres.
3 inches = 7.62 centimeters
8 pints a gallon, 3 gallons, 8*3=24