If you have a gallon, you only can have one gallon.
A 20 Gallon tank can hold up to 20 gallons of water.
7.48 gallons
21.1 gallons
5 gallons
1
9200 Gallons
1/8.33 gallons or ~0.12 gallon(US) or 1/10 gallon or 0.1 gallon (BI)
There is about four gallons of water in an average bucket of water.
299,200,000 gallons of water.
There are approximately 0.264 gallons in 1 kilogram.
8