Convert US Fluid Ounce (fl oz) to Cubic Inches (in³) | fl oz in in³

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Let's convert US Fluid Ounce (fl oz) to Cubic Inches (in³)

This quick and easy calculator will convert US Fluid Ounce (fl oz) to Cubic Inches (in³) and show formula, brief history on the units and quick maths for the conversion.

Enter US Fluid Ounce to convert to Cubic Inches


Quick Reference for Converting US Fluid Ounce to Cubic Inches

Formula
in³ = fl oz x 1.8
Quick Rough Maths
To get the Cubic Inches, multiply the number of US Fluid Ounce by 1.8
US Fluid Ounce (fl oz) in 1 Cubic Inch
There are 0.55 US Fluid Ounce in 1 Cubic Inch
Cubic Inches (in³) in 1 Fluid Ounce
There are 1.8 Cubic Inches in 1 Fluid Ounce

Unit Information

Fluid Ounce
/ˈfluːɪd aʊns/
Symbol: fl oz
Unit System: US Customary

What is the Fluid Ounce?

The US fluid ounce is a unit of volume in the US customary unit system with the symbol fl oz.

Primarily used for measuring the volume or capacity of liquids, 1 US fluid ounce is equal to 29.57353 ml. It is also equal to 1.040843 imperial fluid ounces.

1 US fluid ounce is equal to 1/16 imperial pint, 1/32 imperial quart and 1/128 imperial gallon.

The fluid ounce was originally defined by the volume taken up by one ounce of a substance. Of course this would be different depending on the density of that substance; for example England used wine whereas Scotland used water to establish this measure.

The US fluid ounce is derived from the US gallon; which was originally based on the English wine gallon (231 cubic inches).

Cubic Inch
/ˈkjuːbɪk ɪn(t)ʃ/
Symbol: in³
Unit System: Imperial

What is the Cubic Inch?

The cubic inch is a unit of volume derived from the imperial unit system and uses the symbol in³.

1 cubic inch is defined as equal to the volume of a cube with edges measuring 1 in. It is equivalent in volume to 16.387 ml, 1/231 US gallons and 1/1728 ft³.

Common uses for cubic inches include quantifying the size of electrical boxes and in the automotive industry for measuring engine displacement. The 5th generation Ford Mustang ran on a Boss 302 which was a 302 in³ engine (5.0L).


Conversion Tables for US Fluid Ounce (fl oz) to Cubic Inches (in³)