About Cubic Inches and Cubic Centimeters

Cubic inches (in³) and cubic centimeters (cm³) are units of volume primarily used in automotive engineering, manufacturing, and DIY projects. While cubic inches are common in the United States for engine displacement measurements, cubic centimeters are the standard metric unit used internationally.

Conversion Formula

1 cubic inch is exactly equal to 16.387064 cubic centimeters. The conversion formula is:

cm³ = in³ × 16.387064
in³ = cm³ ÷ 16.387064

Common Conversions

Cubic Inches	Cubic Centimeters
1	16.39
5	81.94
10	163.87
50	819.35
100	1,638.71

Practical Applications

Automotive Engineering: Converting engine displacement sizes (e.g., a 350 in³ engine equals 5735 cm³ or 5.7L)
Manufacturing: Specifying container volumes for international trade
3D Printing: Calculating material volumes for print jobs

Frequently Asked Questions

Is the conversion between cubic inches and cubic centimeters exact?

Yes, 1 cubic inch is exactly 16.387064 cubic centimeters based on the international inch definition of 2.54 centimeters.

Why are cubic inches still used in some industries?

Cubic inches remain common in the US automotive industry due to historical conventions, though most countries use cubic centimeters or liters.

How do I convert engine liters to cubic inches?

First convert liters to cubic centimeters (1L = 1000 cm³), then use our converter to change cm³ to in³.

Cubic Inches to Cubic Centimeters Converter

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Cubic Inches to Cubic Centimeters Converter

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