How to convert us gallons to us fluid ounces
fl oz = gal × 128
Multiply the value in us gallons by 128. To go the other way, divide by the same number, or multiply by 0.007813. For example, 5 gal × 128 = 640 fl oz.
About the units
US Gallons (gal). 231 cubic inches, exactly 3.785411784 liters. Gasoline and milk in the US.
US Fluid Ounces (fl oz). One 128th of a US gallon, about 29.57 mL. Drink sizes and nutrition labels.
Other volume conversions
Liters to US Fluid Ounces · Milliliters to US Fluid Ounces · Cubic Meters to US Fluid Ounces · US Gallons to Liters · US Gallons to Milliliters · US Gallons to Cubic Meters · US Gallons to UK Gallons · US Gallons to US Fluid Ounces · US Gallons to Cups (US) · US Gallons to Tablespoons · US Gallons to Teaspoons · UK Gallons to US Fluid Ounces · US Fluid Ounces to Liters · US Fluid Ounces to Milliliters · US Fluid Ounces to Cubic Meters · US Fluid Ounces to US Gallons · US Fluid Ounces to UK Gallons · US Fluid Ounces to Cups (US) · US Fluid Ounces to Tablespoons · US Fluid Ounces to Teaspoons · Cups (US) to US Fluid Ounces · Tablespoons to US Fluid Ounces · Teaspoons to US Fluid Ounces