Formula to convert 1.8 gallons to liters is to multiply 1.8 by 3.75841178 (this is the value for 1 gallon to liter).
Convert 1.8 Gallons to Liters results
1.8 x 3.78541178 = 6.813741204
1.8 gal = 6.81 l
It’s simple, the answer for 1.8 gallons is six point eight one liters