It tells you on the can. Normally they hold 8 fluid ounces
4000mL
milk
Twelve fluid ounces.
The can is a solid. The soda is a liquid, and the carbonation is a gas.
500ml
250ml
a teaspoon full
how much liquid it can hold
It is easier to smash an empty can of soda because it has less resistance due to the lack of liquid inside. A full can of soda would be more difficult to smash due to the pressure exerted by the liquid inside.
5 gals
Volume is how much cubic units could hold, and capacity is how much an object can hold a liquid.
A coffee cup that is 8 oz can hold up to 8 fluid ounces of liquid.