Instant, two-way conversion across common engineering units.
1 in³ = 16.387064 mL(Cubic inch → Millilitre)
To convert cubic inches to milliliters, multiply the value by 16.387064. Volume conversions matter for concrete pours, excavation, tank capacity and airflow, where a rounding slip becomes a delivery error.
The cubic inch (in³) is the small imperial volume unit.
The milliliter (mL) is one thousandth of a liter.
1 in³ equals 16.387064 mL.
Multiply the value by 16.387064. For example, 10 in³ equals 163.87064 mL.
1 mL equals 0.061023744 in³. The converter above works in both directions, so you can type into either field.
The US gallon comes from the old English wine gallon of 231 cubic inches, while the imperial gallon was redefined in 1824. The imperial gallon is about 20 percent larger.
Cubic meters are the standard ordering unit for concrete and excavation in metric practice; cubic yards serve the same role in the US.
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