Formula to convert 1.4 gallons to liters is to multiply 1.4 by 3.75841178 (this is the value for 1 gallon to liter).
Convert 1.4 Gallons to Liters results
1.4 x 3.78541178 = 5.299576492
1.4 gal = 5.3 l
It’s simple, the answer for 1.4 gallons is five point three zero liters