Convert 1 fluid ounce to gallon (liquid)

1 fl oz (fluid ounce) is equal to 0.007812500000000045 gal (gallon (liquid)). To convert from fluid ounce to gallon (liquid), multiply by 0.007812500000000045 or divide by 127.99999999999926.

• 1 fl oz × 0.0078125 = 0.0078125 gal
• 1 fl oz ÷ 128 = 0.0078125 gal