What is 640fl oz in Cubic Inches?

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What is 640 US Fluid Ounce (640fl oz) in Cubic Inches (in³)?

What is 640fl oz in in³? Convert 640 US Fluid Ounce (640fl 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

Result
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Swap Units (in³ → fl oz)
640fl oz = 1155in³

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)