A fen is one of the main types of wetland, the others being grassy marshes, forested swamps, and peaty bogs. Along with bogs, fens are a kind of mire. Fens are usually fed by mineral-rich surface water or groundwater.
Quick Answer. A gallon has 4 quarts. Each quart has 2 pints, so a gallon also contains 8 pints. Each pint is 2 cups, so a gallon has 16 cups.
For other volume unit conversions, please go to Volume Conversion. The conversion factor from gallons to quarts for both fluid and dry volume measurement is 4 (gallon is 4 times larger than quart). To find out how many quarts in gallons, simply multiply by 4 or use the converter below. 1 Gallon = 4 Quarts [US, UK, fluid or dry]. Gallon and quart are volume measurement units in imperial and US customary systems. There are fluid and dry measurement for both units in US customary but in not imperial system.