Cups to Cubic Inches Converter
Enter the volume in cups below to convert it to cubic inches.
Convert Cups (US) to Cubic Inches
Enter a value in cups (us) (cup) to convert to cubic inches (in³).
Cup to Cubic Inch Conversion Table
Table showing various cup measurements converted to cubic inches. Click any preset value or arrow to load it into the converter.
| Cups (US) (cup) | Cubic Inches (in³) |
|---|---|
| 1 cup | 14.4375 in³ |
| 2 cup | 28.875 in³ |
| 2.5 cup | 36.09375 in³ |
| 5 cup | 72.1875 in³ |
| 10 cup | 144.375 in³ |
| 15 cup | 216.5625 in³ |
| 20 cup | 288.75 in³ |
| 25 cup | 360.9375 in³ |
| 30 cup | 433.125 in³ |
| 50 cup | 721.875 in³ |
How to Convert Cups to Cubic Inches
To convert cups to cubic inches, multiply the volume by the following conversion ratio: 14.4375 cubic inches/cup.
Since one cup is equal to 14.4375 cubic inches, you can use this simple formula to convert:
The volume in cubic inches is equal to the volume in cups multiplied by 14.4375.
For example, here's how to convert 5 cups to cubic inches using the formula above.
How Many Cubic Inches Are in a Cup?
There are 14.4375 cubic inches in a cup, which is why we use this value in the formula above.
Our cup to cubic inch calculator automatically converts your volume measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Cups and cubic inches are both units used to measure volume. Keep reading to learn more about each unit.
What Is a Cup?
A cup is a unit of volume equal to 0.2365882 liters (L), the base unit for volume. Equal to 8 US fluid ounces or 16 US tablespoons (236.59 mL). [1]
The cup is classified as a US customary unit of volume. Cups can be abbreviated as cup; for example, 1 cup can be written as 1 cup.
When working with cups (cup) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, cups (cup) are widely used across standard volume applications within US customary workflows, engineering documentation, and technical data sheets.
What Is a Cubic Inch?
A cubic inch is a unit of volume equal to 0.0163871 liters (L), the base unit for volume. Equal to 16.387064 milliliters. [2]
The cubic inch is classified as a US customary and imperial unit of volume. Cubic Inches can be abbreviated as in³; for example, 1 cubic inch can be written as 1 in³.
When working with cubic inches (in³) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, cubic inches (in³) are widely used across standard volume applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
When converting volume between cups (cup) and cubic inches (in³), keep full floating-point precision (1 cup = 14.4375 in³; 1 in³ = 0.0692641 cup) during intermediate calculations and round only the final cubic inch figure to match your instrument tolerance.
More Cup & Cubic Inch Conversions
Need to calculate in the opposite direction? Use our cubic inches to cups (us) calculator to switch your starting unit immediately. You can also explore related tools such as converting cubic inches to cups (us), converting liters to cubic inches, or converting cups (us) to tablespoons (us).
Convert from Cups
Weight and volume require ingredient density (g/mL). Choose a USDA FoodData Central verified ingredient below:
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Volume)·Volume & Liquid Metrology Standard — Cups (US) (cup) to Cubic Inches (in³)
- [2]NIST HB 44 SpecificationNIST HB 44 (Liquid & Dry Capacity Tables)·Unit Specifications: Cup (US Customary) (cup) & Cubic Inch (in³)
- [3]NIST SP 811 ReferenceNIST SP 811 (NIST SP 811 App. B.9)·Conversion Factors & Mathematical Basis (cup to in³)