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Fluid Ounces to Gallons converter

Convert fl oz to gal instantly. Type any value and get the result in gallons. 1 fl oz = 0.0078125 gal.

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Volume›fl oz → gal
From
To
result below ↓
1 fl oz=
0.0078125gal
formula1 fl oz = 0.0078125 gal

Common fluid ounces → gallons

=0.0078125 gal
=0.015625 gal
=0.0390625 gal
=0.078125 gal
=0.15625 gal
=0.390625 gal
=0.78125 gal
=3.90625 gal
=7.8125 gal

Need a different value? .

Convert the other way
Gallons to Fluid Ounces

How to convert fluid ounces to gallons

To convert fluid ounces to gallons, multiply the value by 0.0078125.

Formula
gal = fl oz × 0.0078125

For example:

  • →5 fl oz = 0.0390625 gal
  • →100 fl oz = 0.78125 gal

Quick reference

  • ▸1 fl oz = 0.0078125 gal
  • ▸1 gal = 128 fl oz

When you need to convert fl oz to gal

  • ·Cooking — recipes from different cuisines using different volume units.
  • ·Fuel — comparing fuel efficiency or filling up abroad.
  • ·Beverages — bottle and can sizes vary by region.
  • ·Chemistry — lab work and dilutions.
  • ·Gardening — watering and fertilizer ratios.

Frequently asked

How many gallons are in 1 fluid ounce?
One fluid ounce equals 0.0078125 gallons.
How do I convert fl oz to gal in my head?
Multiply the value in fluid ounces by 0.0078125 to get gallons.
What is the formula for fluid ounces to gallons?
gal = fl oz × 0.0078125.
What is the reverse — how many fluid ounces in 1 gallon?
One gallon equals 128 fluid ounces.

Related conversions

Gallons to Fluid Ounces
1 gal = 128 fl oz
Fluid Ounces to Milliliters
1 fl oz = 29.5735 ml
Fluid Ounces to Liters
1 fl oz = 0.0295735 L
Fluid Ounces to Teaspoons
1 fl oz = 6 tsp
Milliliters to Gallons
1 ml = 0.000264172 gal
Liters to Gallons
1 L = 0.264172 gal
Teaspoons to Gallons
1 tsp = 0.00130208 gal
Tablespoons to Gallons
1 tbsp = 0.00390626 gal
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