Cubic Inch to Cubic Centimeter Converter
One Cubic Inch equals 16.387064 Cubic Centimeter (1 in3 = 16.387064 cm3). Multiply a Cubic Inch value by 16.387064 to get the equivalent in Cubic Centimeter. Use the calculator above for instant results, or follow the formula, worked examples, and reference table below.
Formula
cm3 = in3 × 16.387064
Multiply the Cubic Inch value by 16.387064 to get the equivalent value in Cubic Centimeter.
Example Conversions
1 Cubic Inch (in3)
16.387064 Cubic Centimeter (cm3)
5 Cubic Inch (in3)
81.93532 Cubic Centimeter (cm3)
10 Cubic Inch (in3)
163.87064 Cubic Centimeter (cm3)
25 Cubic Inch (in3)
409.6766 Cubic Centimeter (cm3)
100 Cubic Inch (in3)
1638.7064 Cubic Centimeter (cm3)
Conversion Table
| Cubic Inch (in3) | Cubic Centimeter (cm3) |
|---|---|
| 0.1 | 1.6387064 |
| 0.5 | 8.193532 |
| 1 | 16.387064 |
| 2 | 32.774128 |
| 5 | 81.93532 |
| 10 | 163.87064 |
| 25 | 409.6766 |
| 50 | 819.3532 |
| 100 | 1638.7064 |
| 250 | 4096.766 |
| 500 | 8193.532 |
| 1000 | 16387.064 |
How to Convert Manually
Use these steps to convert Cubic Inch values to Cubic Centimeter without the calculator.
- Write down the value in Cubic Inch (in3) that you want to convert.
- Multiply that value by 16.387064.
- For example, 10 Cubic Inch × 16.387064 = 163.87064 Cubic Centimeter.
- Label the result as Cubic Centimeter (cm3).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Cubic Inch and one Cubic Centimeter.
About Cubic Inch and Cubic Centimeter
The cubic inch is exactly 16.387064 milliliters. Classic American engine displacement and small US manufacturing volumes are quoted in cubic inches. The cubic centimeter equals exactly one milliliter. Engine sizes (cc), medical syringes, and solid part volumes use it. One Cubic Inch equals 16.387064 Cubic Centimeter (1 in3 = 16.387064 cm3). Cubic Inch to Cubic Centimeter conversion comes up most often in classic American engine displacement and in US manufacturing part volumes, typically when figures need restating for motorcycle and small engine sizes (cc).
Precision and Rounding: US and imperial volume units share names but differ in size (an imperial gallon is about 20% larger than a US gallon), so confirm which system a figure uses before converting. Kitchen work tolerates rounding to the nearest milliliter or quarter-teaspoon; fuel, chemistry, and brewing need three or more decimal places.
Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).
Worked Example
15 Cubic Inch equals 245.80596 Cubic Centimeter.
15 in3 × 16.387064 = 245.80596 cm3
FAQ
How do I convert Cubic Inch to Cubic Centimeter?
Multiply the Cubic Inch value by 16.387064 to get the equivalent value in Cubic Centimeter.
What is the formula for Cubic Inch to Cubic Centimeter?
The formula is cm3 = in3 × 16.387064.
How many Cubic Centimeter are in 1 Cubic Inch?
1 Cubic Inch equals 16.387064 Cubic Centimeter.
Can I convert Cubic Centimeter back to Cubic Inch?
Yes. 1 Cubic Centimeter equals 0.06102374409 Cubic Inch, and the related converter can reverse the calculation.
What are common names for Cubic Inch and Cubic Centimeter?
Cubic Inch is shown as in3 and may also be searched as cubic inches, in³. Cubic Centimeter is shown as cm3 and may also be searched as cubic centimeters, cc, cm³.
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