Question: one gallon is equal to a few liters (Liter)?
A gallon (liquid) volume equals 3.78541178 liters (US); there's even a few imperial units, one gallon is 4.54596 liters.
Question: one gallon is equal to a few milliliters (ML)/ml (c. c.)?
1 pint = 0.47317 litres.
1 gallon = 8 pints = 3.78 liters.
1 gallon = 3.78 litres = 3780 liters (ML)/ml (c. c.) = 37.8 liters.