Fluid ounce to Gallon Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert fluid ounces [Imp.fl.oz.] to gallons [Imp.gal.] or gallons [Imp.gal.] to fluid ounces [Imp.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 fluid ounces to gallons
There are two simple ways to convert fluid ounces [Imp.fl.oz.] to gallons [Imp.gal.]. In the first calculation method, the value in fluid ounces [Imp.fl.oz.] is divided by 160. The second method multiplies the value in fluid ounces [Imp.fl.oz.] by the rounded conversion factor of 0.0063.
- Gallons [Imp.gal.] = fluid ounces [Imp.fl.oz.] ÷ 160
- Gallons [Imp.gal.] ≈ fluid ounces [Imp.fl.oz.] * 0.0063
The calculation method with a rounded conversion value is more suitable for rough conversions from fluid ounces [Imp.fl.oz.] to gallons [Imp.gal.], as the calculation result may contain rounding errors. Therefore, the variant with the exact conversion factor is more suitable.
Convert gallons to fluid ounces
Converting gallons [Imp.gal.] to fluid ounces [Imp.fl.oz.] is easy and can be done in two ways. The first method involves multiplication, whereby the value in gallons [Imp.gal.] is multiplied by 160. The second variant is a division. Here, the value in gallons [Imp.gal.] is divided by the rounded conversion factor of 0.0063.
- Fluid ounces [Imp.fl.oz.] = gallons [Imp.gal.] * 160
- Fluid ounces [Imp.fl.oz.] ≈ gallons [Imp.gal.] ÷ 0.0063
The rounded conversion value can cause rounding errors, resulting in inaccurate calculation results. To ensure that the conversion from gallons [Imp.gal.] to fluid ounces [Imp.fl.oz.] produces the most accurate calculation result possible, the conversion should be performed using the exact conversion factor.
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