Convert everything to the same unit, then compare. 1 gallon = 4 quarts.
A pitcher is not a standard size so the answer depends on the pitcher.
That's the capacity - 55 gallons.That's the capacity - 55 gallons.That's the capacity - 55 gallons.That's the capacity - 55 gallons.
Capacity is the volume of the container.
volume and capacity is math
A "pitcher" is an indefinite capacity.
The basic metric unit of measure for measuring the capacity of a pitcher is liters (L).
1 liter
That depends on its designed capacity.
liter
20 liters
A measuring beaker.
A "Pitcher" is a container for liquids, usually having a handle and a lip or spout for pouring (in other words a Jug). They do not come in definite sizes. Thus " the capacity of a pitcher of water" is the amount of water the Jug will hold.
1.2 Liters
A pitcher's capacity is typically measured in liters or gallons, depending on the region. In the USA, pitchers are commonly sized in quarts, while in other countries, they may be measured in liters.
Water pitchers are available in many sizes, so each will hold the amount of water it is made to hold. It could be a quart, pint, half gallon, or a gallon. Some may be even larger, depending on their intended uses.
Convert everything to the same unit, then compare. 1 gallon = 4 quarts.