Question 1

How many fluid ounces in a cubic inch?

Accepted Answer

1 cubic inch = 0.554 fluid ounces (US). A cubic inch of water weighs about 0.58 oz.

Question 2

What is the relationship between cubic and fluid measures?

Accepted Answer

Cubic measures are 3D space. Fluid ounces measure liquid volume. 1 cubic inch ≈ 16.4 ml ≈ 0.55 fl oz.

Question 3

Are US and UK gallons the same?

Accepted Answer

No! US gallon = 3.785 liters. UK (Imperial) gallon = 4.546 liters. UK gallon is about 20% larger. Same applies to pints and fluid ounces.

Question 4

What's the most accurate way to measure volume?

Accepted Answer

For precision: measure by weight and convert using density. For liquids at eye level: read at the bottom of the meniscus curve.

Cubic Inch to Fluid Ounce Converter

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