Formula
US cup to in³ conversion formula
Use this relationship for a direct conversion:
Worked example
2 US cup = 28.875 in³.
US liquid and Imperial gallon definitions are treated separately and use their exact legal values.
Volume conversion
1 us customary cup (US cup) equals 14.4375 cubic inch (in³). Enter any value below to convert from US cup to in³.
Enter a value and choose units. Results update instantly.
1 US cup = 14.4375 in³
| Unit | Value |
|---|---|
| Cubic meter m³ | 0.0002365882 |
| Liter L | 0.2365882365 |
| Milliliter mL | 236.5882365 |
| Cubic centimeter cm³ | 236.5882365 |
| Cubic inch in³ | 14.4375 |
| Cubic foot ft³ | 0.0083550347 |
| US gallon US gal | 0.0625 |
| Imperial gallon imp gal | 0.0520421365 |
| US quart US qt | 0.25 |
| US customary cup US cup | 1 |
| US fluid ounce US fl oz | 8 |
Formula
Use this relationship for a direct conversion:
2 US cup = 28.875 in³.
US liquid and Imperial gallon definitions are treated separately and use their exact legal values.
Quick reference
| US customary cup (US cup) | Cubic inch (in³) |
|---|---|
| 0.01 | 0.144375 |
| 0.1 | 1.44375 |
| 1 | 14.4375 |
| 2 | 28.875 |
| 5 | 72.1875 |
| 10 | 144.375 |
| 25 | 360.9375 |
| 50 | 721.875 |
| 100 | 1,443.75 |
| 1,000 | 14,437.5 |
From unit
Eight US fluid ounces, about 236.588 milliliters.
Symbol: US cup
To unit
The volume of a one-inch cube.
Symbol: in³
Keep converting
Source
Definitions are checked against NIST Handbook 44, Appendix C. Calculations use full internal precision before display rounding.
View the complete volume converterQuestions
Use the formula in³ = US cup x 14.4375. 1 us customary cup (US cup) equals 14.4375 cubic inch (in³).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.