Gallons to Ounces Conversion

gallons to ounces table

gallon 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 500 1000
ounce 128 256 384 512 640 768 896 1024 1152 1280 1408 1536 1664 1792 1920 2048 2176 2304 2432 2560 2688 2816 2944 3072 3200 3328 3456 3584 3712 3840 3968 4096 4224 4352 4480 4608 4736 4864 4992 5120 5248 5376 5504 5632 5760 5888 6016 6144 6272 6400 6528 6656 6784 6912 7040 7168 7296 7424 7552 7680 7808 7936 8064 8192 8320 8448 8576 8704 8832 8960 9088 9216 9344 9472 9600 9728 9856 9984 10112 10240 10368 10496 10624 10752 10880 11008 11136 11264 11392 11520 11648 11776 11904 12032 12160 12288 12416 12544 12672 12800 64000 128000
←→
step
Round:
Enter Gallon
Enter Fluid Ounce

To convert gallons to ounces (oz), you may use the gallons to ounces converter above. Alternatively, to find out how many ounces there are in "x" gallons, you may use the gallons to ounces table.

Below, you will find information of how to find out how many ounces there are in "x" gallons, including the formulas and example conversions.

The converter and the tables are based on US fluid gallons and US fluid ounces.

How many ounces in a gallon?

There are 128 ounces in a gallon. To convert gallons to ounces, multiply the gallon value by 128.

For example, to find out how many ounces in a half gallon, multiply 128 by 0.5, that makes 64 ounces in a half gallon.

gallons to ounces formula:

ounce = gallon * 128

To convert between imperial gallons and fluid ounces, please visit imperial gallons to ounces converter.

How to convert ounces (oz) to gallons?

1 Ounce (oz) is equal to 0.0078125 gallon. To convert ounces to gallons, multiply the ounce value by 0.0078125 or divide by 128.

For example, to convert 32 ounces to gallons, multiply 32 by 0.0078125, that makes 1/4 gallon in 32 ounces.

ounces to gallons formula

gallon = ounce * 0.0078125

gallon = ounce / 128

What is a Gallon?

Gallon is an imperial and United States Customary systems volume unit. 1 US gallon = 128 US fluid ounces. 1 Imperial gallon = 160 Imperial fluid ounces. The symbol is "gal".

There are three types of gallons, US Customary fluid and dry gallons and the Imperial gallon. There are two types of fluid ounces, US Customary fluid ounce and the Imperial fluid ounce. So, depending on what types of gallons and fluid ounces are used, the answer to the question of how many ounces in a gallon might be different. If you are converting from US fluid gallons to fluid ounces, then there are 128 fluid ounces in a gallon. If the conversion is between Imperial gallons and Imperial fluid ounces, then there are 160 Imperial fluid ounces in an Imperial gallon.

The list of conversion factors from gallons to fluid ounces:

  • 1 US fluid gallon = 128 US fluid ounces
  • 1 Imperial gallon= 160 Imperial fluid ounces

Common conversions from gallons to fluid ounces (fl oz):

  • 1/8 gallon = 16 oz
  • 1/4 gallon = 32 oz
  • 1/3 gallon = 42.66 oz
  • 1/2 gallon = 64 oz
  • 2 gallons = 256 oz

To calculate how many water bottles of different sizes can fit in gallons and view the gallons to water bottles table, please visit how many water bottles are in gallons.

What is a Fluid Ounce?

Fluid ounce is an imperial and United States Customary measurement systems volume unit. 1 US fluid ounce = 0.0078125 gallon. 1 Imperial fluid ounce = 0.00625 gallon. The symbol is "fl oz".

To convert from US fluid, dry and UK gallons to UK and US fluid ounces, please visit all volume units conversion.

Create Conversion Table
Click "Create Table". Enter a "Start" value (5, 100 etc). Select an "Increment" value (0.01, 5 etc) and select "Accuracy" to round the result.