A cubic inch is the volume of a one-inch cube.
Cubic inches to Cubic Centimeters Converter — in3 to cm3
Convert Cubic inch (in3) to Cubic Centimeter (cm3) using the exact conversion factor (1 cubic inch = 16.387064 cubic centimeter). See the formula, worked examples, and conversion table.
Cubic inches to Cubic Centimeters converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
Cubic metric volume unit.
Result = input x 1.6387064e-5 / 1e-6.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic inches to Cubic Centimeters
Cubic inch and Cubic Centimeter appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Specifically: A cubic inch is the volume of a one-inch cube, and cubic metric volume unit.
Formula
cubic centimeters = cubic inches × 16.387064
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic inch equals 0.000016387064 base units, and 1 cubic centimeter equals 0.000001 base units, so dividing one by the other gives the direct cubic inch-to-cubic centimeter factor of 16.387064.
Simple example
1 in3 × 16.387064 = 16.387064 cm3
1 cubic inch = 16.387064 cubic centimeters.
Real-world example
10 in3 × 16.387064 = 163.87064 cm3
10 cubic inches = 163.87064 cubic centimeters.
Conversion table
| Cubic inch (in3) | Cubic Centimeter (cm3) |
|---|---|
| 1 in3 | 16.387064 cm3 |
| 5 in3 | 81.93532 cm3 |
| 10 in3 | 163.87064 cm3 |
| 25 in3 | 409.6766 cm3 |
| 50 in3 | 819.3532 cm3 |
| 100 in3 | 1,638.7064 cm3 |
Reverse conversion: Cubic Centimeter to Cubic inch
16.387064 cm3 × 0.06102374409 = 1 in3
16.387064 cubic centimeters = 1 cubic inches.
cubic inches = cubic centimeters × 0.0610237440947
For a page dedicated to this direction, see Cubic Centimeter to Cubic inch.
Understanding the Cubic inch (in3)
A cubic inch is the volume of a one-inch cube.
Understanding the Cubic Centimeter (cm3)
Cubic metric volume unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic centimeters are in 1 cubic inch?
1 cubic inch equals 16.387064 cubic centimeters, using the exact defined conversion factor rather than an estimate.
How do I convert cubic inch to cubic centimeter?
Multiply the cubic inch value by 16.387064. The converter above does this instantly to whatever precision you set.
How do I convert cubic centimeter back to cubic inch?
Use the reverse factor: 1 cubic centimeter equals 0.0610237441 cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic inch?
Cubic inch (in3) is a unit of volume.
What is a cubic centimeter?
Cubic Centimeter (cm3) is a unit of volume.
Is the cubic inch to cubic centimeter conversion exact?
Yes. Both cubic inch and cubic centimeter are defined by fixed standards rather than physical artifacts, so the factor of 16.387064 used above is exact to as many digits as you choose to display.