A 1 gallon pitcher is 3.78541 liters
It depends on the pitcher, but probably around 2-3.
A "pitcher" is not of fixed size.
Pitchers come in many sizes - hard to define.
There are many liters that can make up a pound. This really just depends on what the liters consist of.
Pitchers come in all shapes and sizes. A two-quart pitcher would be 1.89 liters.
Fill the 5l pitcher, use it to fill the 3l pitcher. Dump the 3l pitcher out and put what is left in the 5l pitcher into it. Fill the 5l pitcher and use it to finish filling the 3l pitcher. You are now left with 4 liters in the larger pitcher.
A typical pitcher of beer contains about 60-64 ounces of beer.This is roughly 2 liters.
about 2 liters to a gallon
25 kiloliters = 25,000 liters