Cubic inches to milliliters
1 cubic inch = 16.3871 milliliters
Type a value in cubic inches (cu in) to get milliliters (mL) straight away. A cubic inch is larger than a milliliter, so the number goes up. Both units belong to volume, measured here against the liter.
1 cu in = 16.387064 mL
Formula
mL = cu in × 16.387064
One cubic inch is 16.387064 milliliters, so multiply the cubic inch value by that factor. Here cu in is the value in cubic inches and mL is the result in milliliters.
Worked example: 100 cubic inches × 16.387064 = 1,638.71 milliliters.
Cubic inches to milliliters table
| cubic inches (cu in) | milliliters (mL) |
|---|---|
| 1 cu in | 16.3871 mL |
| 2 cu in | 32.7741 mL |
| 3 cu in | 49.1612 mL |
| 4 cu in | 65.5483 mL |
| 5 cu in | 81.9353 mL |
| 6 cu in | 98.3224 mL |
| 7 cu in | 114.709 mL |
| 8 cu in | 131.097 mL |
| 9 cu in | 147.484 mL |
| 10 cu in | 163.871 mL |
| 15 cu in | 245.806 mL |
| 20 cu in | 327.741 mL |
| 25 cu in | 409.677 mL |
| 30 cu in | 491.612 mL |
| 40 cu in | 655.483 mL |
| 50 cu in | 819.353 mL |
| 60 cu in | 983.224 mL |
| 75 cu in | 1,229.03 mL |
| 100 cu in | 1,638.71 mL |
Everyday cubic inches in milliliters
| What it is | cu in | mL |
|---|---|---|
| a sugar cube (about) | 1 cu in | 16.3871 mL |
| one liter (about) | 61 cu in | 999.611 mL |
| one US gallon | 231 cu in | 3,785.41 mL |
| a classic 5.7 L V8 (about) | 350 cu in | 5,735.47 mL |
| one cubic foot | 1,728 cu in | 28,316.8 mL |
Quick estimate in your head
Multiply by about 5/3 × 10. For 100 cu in that gives 1,667 mL against an exact 1,638.71 mL, an error of 1.7%.
About the units
Cubic inch (cu in). About 16.39 mL. Used for engine displacement in the US.
Milliliter (mL). One thousandth of a liter, the same as one cubic centimeter. Used for drinks and medicine.
Going the other way, 1 milliliter is 0.0610237 cubic inches.
Questions
How many milliliters are in 1 cubic inch?
1 cubic inch is 16.3871 milliliters, and 1 milliliter is 0.0610237 cubic inches.
How do I convert cubic inches to milliliters?
Use mL = cu in × 16.387064. For example, 100 cubic inches × 16.387064 = 1,638.71 milliliters.
Is the cubic inch to milliliter factor exact?
The factor comes from the unit definitions. Results here are rounded to 6 significant digits for display.
How much is one cubic foot in milliliters?
1,728 cu in is 28,316.8 mL.
Source for the conversion factor: NIST Handbook 44, Appendix C (units of volume).
Related conversions
- milliliters to cubic inches
- milliliters to US fluid ounces
- US fluid ounces to milliliters
- milliliters to US cups
- US cups to milliliters
- liters to milliliters