Question

How many cups are in a gallon?

Answer 1

Water is an inorganic, clear, tasteless, odourless, and almost colourless chemical liquid that is the primary component of the Earth's hydrosphere and all known living beings' fluids (in which it acts as a solvent). Even though it contains no calories or organic nutrients, it is necessary for all known forms of life.

Complete answer:
In both the US customary units and the British imperial systems of measurement, the gallon is a unit of volume and fluid capacity. There are three distinct sizes in use right now. The imperial gallon (imp gal), which is or was previously used in the United Kingdom, Canada, and several Caribbean countries, is defined as 4.54609 litres.

The US gallon (US gal) is a unit of measurement used in the United States and several Latin American and Caribbean nations that is defined as 231 cubic inches (exactly 3.785411784 litres). The US dry gallon (abbreviated as "usdrygal"), which is equal to $\dfrac{1}{8}$ US bushels (exactly 4.40488377086 litres).

Because the dry measure is one-eighth of a US Winchester bushel, which has a volume of 2150.42 cubic inches, it is equivalent to 268.8025 cubic inches, or 4.40488377086 L. The dry gallon in the United States isn't utilised in trade, and it's not mentioned in the relevant legislation, which leaps from the dry pint to the bushel. We deduce a the table from the following;

Gallons	Cups
1 US fluid gallon	16 US cups
1 US dry gallon	18.6 US cups
1 Imperial gallon	18.18 metric cups
1 gallon of water	16 cups

Hence 1 gallon of water equals 16 cups of water.

Note: In four British Overseas Territories, including Anguilla, the British Virgin Islands, the Cayman Islands, and Montserrat, the imperial gallon remains the standard petrol unit as of 2021. Antigua and Barbuda, Dominica, Grenada, St. Kitts and Nevis, St. Lucia, and St. Vincent and the Grenadines all use the imperial gallon as their main petrol unit.