A cubic inch is the volume of a one-inch cube.
Cubic inches to Cubic Decimeters Converter — in3 to dm3
Convert Cubic inch (in3) to Cubic Decimeter (dm3) using the exact conversion factor (1 cubic inch = 0.016387064 cubic decimeter). See the formula, worked examples, and conversion table.
Cubic inches to Cubic Decimeters 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 / 0.001.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic inches to Cubic Decimeters
Cubic inch and Cubic Decimeter 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 decimeters = cubic inches × 0.016387064
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 decimeter equals 0.001 base units, so dividing one by the other gives the direct cubic inch-to-cubic decimeter factor of 0.016387064.
Simple example
1 in3 × 0.016387064 = 0.016387064 dm3
1 cubic inch = 0.016387064 cubic decimeters.
Real-world example
10 in3 × 0.016387064 = 0.16387064 dm3
10 cubic inches = 0.16387064 cubic decimeters.
Conversion table
| Cubic inch (in3) | Cubic Decimeter (dm3) |
|---|---|
| 1 in3 | 0.016387064 dm3 |
| 5 in3 | 0.08193532 dm3 |
| 10 in3 | 0.16387064 dm3 |
| 25 in3 | 0.4096766 dm3 |
| 50 in3 | 0.8193532 dm3 |
| 100 in3 | 1.6387064 dm3 |
Reverse conversion: Cubic Decimeter to Cubic inch
0.016387064 dm3 × 61.02374409 = 1 in3
0.016387064 cubic decimeters = 1 cubic inches.
cubic inches = cubic decimeters × 61.0237440947
For a page dedicated to this direction, see Cubic Decimeter to Cubic inch.
Understanding the Cubic inch (in3)
A cubic inch is the volume of a one-inch cube.
Understanding the Cubic Decimeter (dm3)
Cubic metric volume unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic decimeters are in 1 cubic inch?
1 cubic inch equals 0.016387064 cubic decimeters, using the exact defined conversion factor rather than an estimate.
How do I convert cubic inch to cubic decimeter?
Multiply the cubic inch value by 0.016387064. The converter above does this instantly to whatever precision you set.
How do I convert cubic decimeter back to cubic inch?
Use the reverse factor: 1 cubic decimeter equals 61.02374409 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 decimeter?
Cubic Decimeter (dm3) is a unit of volume.
Is the cubic inch to cubic decimeter conversion exact?
Yes. Both cubic inch and cubic decimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.016387064 used above is exact to as many digits as you choose to display.