Common Converters

Convert Gallons to Fluid Ounces

Use our accurate converter to change gallons into fluid ounces. This tool is simple to use and works instantly.

How to Calculate

To change gallons to fluid ounces, you just need to know the conversion factor.

Rule: 1 Gallons = 128.0000676281 Fluid Ounces

Gallons to Fluid Ounces
Pre-defined calculator for direct gallons to fluid ounces conversion.
Gallons (US) (gal)
0
Fluid Ounces (US) (fl oz)
Formula: 1 Gallons = 128.00006763 Fluid

Unit Information

About Gallons

Definition: The US liquid gallon is a unit of volume equal to 128 US fluid ounces or exactly 3.785411784 liters.

History: Based on the medieval wine gallon used in England.

Where it is used: Primary unit for fuel and milk in the United States.

Gallons to Fluid Ounces Conversion Table

Gallons [gal]Fluid Ounces [floz_us]
0.01 gal1.2800006763 floz_us
0.1 gal12.8000067628 floz_us
1 gal128.0000676281 floz_us
2 gal256.0001352562 floz_us
3 gal384.0002028843 floz_us
5 gal640.0003381406 floz_us
10 gal1,280.0006762811 floz_us
20 gal2,560.0013525623 floz_us
50 gal6,400.0033814057 floz_us
100 gal12,800.0067628113 floz_us
1000 gal128,000.067628113 floz_us

How to Convert Gallons to Fluid Ounces

Calculation: To convert gallons to fluid ounces, multiply the value by the conversion factor (128.0000676281).

Example: convert 15 gal to floz_us:
15 gal = 15 × 128.0000676281 floz_us = 1,920.0010144217 floz_us

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