Convert Gallon (US) to Fluid Ounce (US)
Enter a value in Gallon (US) to see it instantly in Fluid Ounce (US), or use the reverse converter below.
Gallon (US)
Definition: A US customary unit equal to 4 quarts.
Current use: Used in the US for fuel, milk, and paint.
Fluid Ounce (US)
Definition: A US customary unit equal to 1/16 of a US pint.
Current use: Used in the US for beverage and bottle sizes.
Gallon (US) to Fluid Ounce (US) Conversion Table
| Gallon (US) [gal] | Fluid Ounce (US) [fl oz] |
|---|---|
| 0.01 gal | 1.2799999984 fl oz |
| 0.1 gal | 12.7999999838 fl oz |
| 1 gal | 127.9999998377 fl oz |
| 2 gal | 255.9999996754 fl oz |
| 3 gal | 383.9999995131 fl oz |
| 5 gal | 639.9999991885 fl oz |
| 10 gal | 1279.9999983769 fl oz |
| 20 gal | 2559.9999967539 fl oz |
| 50 gal | 6399.9999918846 fl oz |
| 100 gal | 12799.9999837693 fl oz |
| 1000 gal | 127999.9998376927 fl oz |
How to Convert Gallon (US) to Fluid Ounce (US)
1 fl oz = 0.0078125 gal
Example: convert 1 gal to fl oz:
Fluid Ounce (US) to Gallon (US) Conversion Table
| Fluid Ounce (US) [fl oz] | Gallon (US) [gal] |
|---|---|
| 0.01 fl oz | 0.000078125 gal |
| 0.1 fl oz | 0.00078125 gal |
| 1 fl oz | 0.0078125 gal |
| 2 fl oz | 0.015625 gal |
| 3 fl oz | 0.0234375 gal |
| 5 fl oz | 0.0390625 gal |
| 10 fl oz | 0.0781250001 gal |
| 20 fl oz | 0.1562500002 gal |
| 50 fl oz | 0.3906250005 gal |
| 100 fl oz | 0.781250001 gal |
| 1000 fl oz | 7.8125000099 gal |
Quick Estimate
For a quick mental estimate, 1 gal is about 128 fl oz, and 1 fl oz is about 0.0078 gal. Use the exact calculator above when accuracy matters, such as for money, medicine, engineering or anything you will buy or sell.
Frequently Asked Questions
How many Fluid Ounce (US) are in 1 Gallon (US)?
1 Gallon (US) (gal) equals 127.9999998377 Fluid Ounce (US) (fl oz).
How do I convert Gallon (US) to Fluid Ounce (US)?
Multiply the value in gal by 127.9999998377 to get fl oz. To go the other way, multiply fl oz by 0.0078125.
What is 10 Gallon (US) in Fluid Ounce (US)?
10 gal = 1279.9999983769 fl oz.
What is 100 Gallon (US) in Fluid Ounce (US)?
100 gal = 12799.9999837693 fl oz.
What is a Gallon (US)?
A US customary unit equal to 4 quarts. Used in the US for fuel, milk, and paint.
What is a Fluid Ounce (US)?
A US customary unit equal to 1/16 of a US pint. Used in the US for beverage and bottle sizes.
How many Gallon (US) are in 1 Fluid Ounce (US)?
1 Fluid Ounce (US) (fl oz) equals 0.0078125 Gallon (US) (gal).
Popular Volume Conversions
- Liter to Gallon (US)
- Gallon (US) to Liter
- Milliliter to Cup (US)
- Cup (US) to Milliliter
- Tablespoon (US) to Milliliter
- Teaspoon (US) to Milliliter
- Milliliter to Fluid Ounce (US)
- Fluid Ounce (US) to Milliliter
- Liter to Milliliter
- Cubic Meter to Liter
- Liter to Cup (US)
- Quart (US) to Liter
Convert Gallon (US) to Other Volume Units
- gal to mL
- gal to L
- gal to m³
- gal to tsp
- gal to tbsp
- gal to cup
- gal to pt
- gal to qt
- gal to ft³
- gal to in³
Convert Other Volume Units to Fluid Ounce (US)
- mL to fl oz
- L to fl oz
- m³ to fl oz
- tsp to fl oz
- tbsp to fl oz
- cup to fl oz
- pt to fl oz
- qt to fl oz
- ft³ to fl oz
- in³ to fl oz
Open the full Volume converter and see every unit →