US fluid ounce to US gallon Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert US fluid ounces [US.fl.oz.] to US gallons [US.liq.gal.] or US gallons [US.liq.gal.] to US fluid ounces [US.fl.oz.]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.
Convert US fluid ounces to US gallons
There are two simple ways to convert US fluid ounces [US.fl.oz.] to US gallons [US.liq.gal.]. In the first calculation method, the value in US fluid ounces [US.fl.oz.] is divided by 128. The second method multiplies the value in US fluid ounces [US.fl.oz.] by the rounded conversion factor of 0.0078.
- US gallons [US.liq.gal.] = US fluid ounces [US.fl.oz.] ÷ 128
- US gallons [US.liq.gal.] ≈ US fluid ounces [US.fl.oz.] * 0.0078
The calculation method with a rounded conversion value is more suitable for rough conversions from US fluid ounces [US.fl.oz.] to US gallons [US.liq.gal.], as the calculation result may contain rounding errors. Therefore, the variant with the exact conversion factor is more suitable.
Convert US gallons to US fluid ounces
Converting US gallons [US.liq.gal.] to US fluid ounces [US.fl.oz.] is easy and can be done in two ways. The first method involves multiplication, whereby the value in US gallons [US.liq.gal.] is multiplied by 128. The second variant is a division. Here, the value in US gallons [US.liq.gal.] is divided by the rounded conversion factor of 0.0078.
- US fluid ounces [US.fl.oz.] = US gallons [US.liq.gal.] * 128
- US fluid ounces [US.fl.oz.] ≈ US gallons [US.liq.gal.] ÷ 0.0078
The rounded conversion value can cause rounding errors, resulting in inaccurate calculation results. To ensure that the conversion from US gallons [US.liq.gal.] to US fluid ounces [US.fl.oz.] produces the most accurate calculation result possible, the conversion should be performed using the exact conversion factor.
Converter
Decimal places
How it's calculated
To all available units
US fluid ounces
Liquid pints
US fluid ounces
Liquid quarts
US fluid ounces
US minims
US fluid ounces
US pecks
US gallons
US barrels beer
Popular with other users …
Weight
Converting weight units can be quite complicated, especially when dealing with non-standard weight units. The weight converter eliminates the complexity and delivers fast and accurate results.
Weight converter
Angle
Converting angle units requires the use of special formulas, which can be complicated and confusing. The angle converter eliminates the complexity and helps you convert between different angle units without errors.
Angle converter
Area
The size of an area is usually given in acres, square meters, square kilometers, or in relation to a soccer field. With the area converter, all common area units can be converted quickly and accurately.
Area converter
Capacitance
Capacitors usually have values significantly smaller than one farad, which is why capacitance values with SI prefixes are particularly common. The capacitance converter is ideal for converting between different units of electrical capacitance.
Capacitance converter