Converters · Volume

100 US fluid ounces to US gallons

100 fl oz =

0.78125 gal

100 us fluid ounces equals 0.78125 us gallons

fl oz

How to convert us fluid ounces to us gallons

To get us gallons, multiply by 0.0078125.

gal = fl oz × 0.0078125

Worked example: 100 × 0.0078125 = 0.78125 gal.

Going the other way, multiply by 128 — one us gallon is 128 us fluid ounces.

Values near 100 fl oz

US fluid ounceUS gallon
50 fl oz0.390625 gal
98 fl oz0.765625 gal
99 fl oz0.773438 gal
101 fl oz0.789062 gal
102 fl oz0.796875 gal
200 fl oz1.5625 gal

US fluid ounce to US gallon — common values

US fluid ounceUS gallon
1 fl oz0.007812 gal
2 fl oz0.015625 gal
3 fl oz0.023437 gal
5 fl oz0.039062 gal
10 fl oz0.078125 gal
25 fl oz0.195312 gal
50 fl oz0.390625 gal
100 fl oz0.78125 gal

Convert US fluid ounce to other units

← Reverse: US gallon to US fluid ounce

Questions

How do you convert us fluid ounces to us gallons?
To convert us fluid ounces to us gallons, multiply by 0.0078125. For example, 100 fl oz is 0.78125 gal.
How many us gallons are in a us fluid ounce?
There are 0.0078125 us gallons in one us fluid ounce.
How do you convert us gallons back to us fluid ounces?
Go the other way: multiply by 128. One us gallon is 128 us fluid ounces.

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