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Fluid Ounce to US Gallon Converter (fl oz to US gal)

Convert fluid ounce (fl oz) to US gallon (gal US).Unit Converter · Volume

Quick answer

1 fluid ounce (fl oz) is equal to 0.0078125 US gallons (US gal). 1 US gallon (US gal) is equal to 128 fluid ounces (fl oz).

To convert fl oz to US gal, multiply the value in fluid ounces by 0.0078125 (or divide by 128). For example, 10 fl oz = 0.078125 US gal, and 100 fl oz = 0.78125 US gal.

From · fluid ounce

fl oz

To · US gallon

Value in US gallon0.0078125gal US
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Quick reference — fluid ounce to US gallon

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How to convert fluid ounces to US gallons

How many US gallons are in a fluid ounce? 1 fluid ounce is 0.0078125 US gallons. This free fl oz to US gal converter and fluid ounce to US gallon calculator gives the answer instantly for any value.

To convert fluid ounce (fl oz) to US gallon (US gal), multiply the value in fluid ounces by 0.0078125, or divide it by 128.

US gal = fl oz × 0.0078125

  1. 1

    Take the value in fluid ounces

    For example, 25 fl oz.

  2. 2

    Multiply by 0.0078125

    25 × 0.0078125.

  3. 3

    Read the answer in US gallons

    25 fl oz = 0.1953125 US gal.

Fluid Ounce to US Gallon conversion table

Common values from 1 to 1,000 fluid ounces converted to US gallons.

Fluid Ounce (fl oz) to US Gallon (US gal), part 1
Fluid Ounce (fl oz)US Gallon (US gal)
1 fl oz0.0078125 US gal
2 fl oz0.015625 US gal
3 fl oz0.0234375 US gal
4 fl oz0.03125 US gal
5 fl oz0.0390625 US gal
6 fl oz0.046875 US gal
7 fl oz0.0546875 US gal
8 fl oz0.0625 US gal
9 fl oz0.0703125 US gal
10 fl oz0.078125 US gal
15 fl oz0.1171875 US gal
20 fl oz0.15625 US gal
25 fl oz0.1953125 US gal
Fluid Ounce (fl oz) to US Gallon (US gal), part 2
Fluid Ounce (fl oz)US Gallon (US gal)
30 fl oz0.234375 US gal
40 fl oz0.3125 US gal
50 fl oz0.390625 US gal
60 fl oz0.46875 US gal
70 fl oz0.546875 US gal
75 fl oz0.5859375 US gal
80 fl oz0.625 US gal
90 fl oz0.703125 US gal
100 fl oz0.78125 US gal
250 fl oz1.953125 US gal
500 fl oz3.90625 US gal
1,000 fl oz7.8125 US gal

About fluid ounces and US gallons

Fluid Ounce (fl oz)

A US fluid ounce is about 29.57 milliliters. Eight fluid ounces make one US cup, and sixteen make a US pint.

US Gallon (US gal)

A US gallon is about 3.785 liters, or 4 US quarts (128 US fluid ounces).

fl oz to US gal: common questions

How many US gallons are in 1 fluid ounce?
1 fluid ounce (fl oz) is equal to 0.0078125 US gallons (US gal). In short: 1 fl oz = 0.0078125 US gal.
How do I convert fluid ounces to US gallons?
To convert fl oz to US gal, multiply the value in fluid ounces by 0.0078125 (or divide by 128). For example, 5 fl oz = 0.0390625 US gal.
How do I convert US gallons to fluid ounces?
To convert US gal to fl oz, multiply the value in US gallons by 128. Or open the Us Gallon to Fluid Ounce converter, which does it for you.
What is 10 fl oz in US gal, and what is 100 fl oz?
10 fl oz = 0.078125 US gal, and 100 fl oz = 0.78125 US gal. The table above lists more values from 1 to 1,000.
Is this fl oz to US gal converter accurate?
Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.

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Fluid Ounce to Us Gallon

From · fluid ounce

fl oz

To · US gallon

Value in US gallon0.0078125gal US
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Quick reference — fluid ounce to US gallon

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