Convert Cubic Inch to Milliliter
Convert cubic inches to milliliters instantly. 1 cubic inch = 16.387064 milliliter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Milliliter to Cubic Inch converter for the reverse conversion.
Units explained
Cubic Inch
A cubic inch is the volume of a cube one inch on a side (16.387 mL).
Derived by cubing the international inch (25.4 mm).
Used for engine displacement and small-part volumes.
1959 yard agreement.
Milliliter
A milliliter is one thousandth of a liter, exactly equal to one cubic centimeter.
Formed with the SI prefix milli- applied to the liter.
The standard small-volume unit in cooking, medicine and the laboratory.
Metric prefix system.
Cubic Inch to Milliliter conversion formula
The relationship between cubic inches and milliliters:
To convert cubic inches to milliliters, multiply the value in cubic inches by 16.387064. To reverse, multiply milliliters by 0.0610237441.
How to use this converter
Type a value into the calculator. The result in milliliters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Milliliter to Cubic Inch converter for the reverse direction.
Step-by-step: convert cubic inches to milliliters
- Write down the value in cubic inches (in³).
- Multiply that value by the factor 16.387064.
- The product is the equivalent value in milliliters (mL).
- To reverse, multiply the milliliter value by 0.0610237441.
Worked examples
Example 1 — Convert 1 in³ to mL:
1 × 16.387064 = 16.387064 mL
Example 2 — Convert 100 in³ to mL:
100 × 16.387064 = 1638.7064 mL
Real-world example — Hair-width scale measurements
A 70-cubic inch measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like milliliters for direct comparison across supplier datasheets.
70 in³ × 16.387064 = 1147.09448 mL
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 cubic inches), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 in³ × 16.387064 = 49.161192 mL
Real-world example — Plastic-film thickness alternates
A 150-cubic inch plastic film converts cleanly to milliliters — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 in³ × 16.387064 = 2458.0596 mL
Cubic Inch to Milliliter conversion table
Standard reference values for converting cubic inches to milliliters:
| Cubic Inch [in³] | Milliliter [mL] |
|---|---|
| 0.01 | 0.16387064 |
| 0.1 | 1.6387064 |
| 1 | 16.387064 |
| 2 | 32.774128 |
| 3 | 49.161192 |
| 4 | 65.548256 |
| 5 | 81.93532 |
| 10 | 163.87064 |
| 20 | 327.74128 |
| 30 | 491.61192 |
| 40 | 655.48256 |
| 50 | 819.3532 |
| 100 | 1638.7064 |
| 500 | 8193.532 |
| 1000 | 16387.064 |
Frequently asked questions
How many milliliters is 1 cubic inch?
How do I convert cubic inches to milliliters?
How do I convert milliliters back to cubic inches?
How many milliliters is 100 cubic inches?
Popular volume unit conversions
Convert Cubic Inch to other volume units
Show all Cubic Inch conversions
Metric / SI (8 units)
US Customary (Liquid) (8 units)
Imperial (UK) (4 units)
Cubic (length-derived) (2 units)
Cooking / Culinary (3 units)
Sources & references
Conversion factor (1 in³ = 16.387064 mL) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.