Formula to convert 1.3 liters to gallons is to multiply 1.3 by 0.264172 (this is the value for 1 liter to gallon).
Convert 1.3 Liters to Gallons results
1.3 x 0.264172052 = 0.34342366812
1.3 l = 0.34 gal
To conclude the answer for 1.3 liters is zero point thirty four gallons