Cubic inches (in³) to Cubic millimeters (mm³) Conversion
Cubic inches
The cubic inch is a unit of volume in the US customary and imperial systems equal to exactly 16.387 mL (the cube of 2.54 cm). Engine displacement in the United States is traditionally expressed in cubic inches: a 350 cubic inch V8 engine. It is also used in packaging, woodworking, and small industrial parts specifications.
Cubic millimeters
The cubic millimetre is a unit of volume equal to one thousandth of a cubic centimetre (10⁻⁶ L or 10⁻⁹ m³). It is used in precision engineering, optics, and laboratory science for very small volumes. In clinical haematology, blood cell counts and platelet volumes are sometimes expressed in cubic millimetres per unit volume. Gemstone volumes in jewellery are also occasionally measured in cubic millimetres.
| Cubic inches (in³) | Cubic millimeters (mm³) |
|---|---|
| 0.1 in³ | 1,638.7064 mm³ |
| 1 in³ | 16,387.064 mm³ |
| 2 in³ | 32,774.128 mm³ |
| 3 in³ | 49,161.192 mm³ |
| 5 in³ | 81,935.32 mm³ |
| 10 in³ | 163,870.64 mm³ |
| 20 in³ | 327,741.28 mm³ |
| 30 in³ | 491,611.92 mm³ |
| 50 in³ | 819,353.20 mm³ |
| 100 in³ | 1,638,706.40 mm³ |
| 1000 in³ | 16,387,064.00 mm³ |
Frequently Asked Questions (FAQ)
How many cubic millimeters are in 1 cubic inches?
1 cubic inches (in³) is exactly 16,387 cubic millimeters (mm³).
How do I convert cubic inches to cubic millimeters?
Multiply the value in cubic inches by 16,387 to get the result in cubic millimeters. Or use the converter above — type any number and see the result instantly.