Cups to Cubic Feet Converter
Enter the volume in cups below to convert it to cubic feet.
Convert Cups (US) to Cubic Feet
Enter a value in cups (us) (cup) to convert to cubic feet (ft³).
Cup to Cubic Foot Conversion Table
Table showing various cup measurements converted to cubic feet. Click any preset value or arrow to load it into the converter.
| Cups (US) (cup) | Cubic Feet (ft³) |
|---|---|
| 1 cup | 0.008355 ft³ |
| 2 cup | 0.0167101 ft³ |
| 2.5 cup | 0.0208876 ft³ |
| 5 cup | 0.0417752 ft³ |
| 10 cup | 0.0835503 ft³ |
| 15 cup | 0.1253255 ft³ |
| 20 cup | 0.1671007 ft³ |
| 25 cup | 0.2088759 ft³ |
| 30 cup | 0.250651 ft³ |
| 50 cup | 0.4177517 ft³ |
How to Convert Cups to Cubic Feet
To convert cups to cubic feet, multiply the volume by the following conversion ratio: 0.008355 cubic feet/cup.
Since one cup is equal to 0.008355 cubic feet, you can use this simple formula to convert:
The volume in cubic feet is equal to the volume in cups multiplied by 0.008355.
For example, here's how to convert 5 cups to cubic feet using the formula above.
How Many Cubic Feet Are in a Cup?
There are 0.008355 cubic feet in a cup, which is why we use this value in the formula above.
Our cup to cubic foot calculator automatically converts your volume measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Cups and cubic feet 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 Foot?
A cubic foot is a unit of volume equal to 28.3168466 liters (L), the base unit for volume. Equal to 1,728 cubic inches or 28.3168 liters. [2]
The cubic foot is classified as a US customary and imperial unit of volume. Cubic Feet can be abbreviated as ft³; for example, 1 cubic foot can be written as 1 ft³.
When working with cubic feet (ft³) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, cubic feet (ft³) 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 feet (ft³), keep full floating-point precision (1 cup = 0.008355 ft³; 1 ft³ = 119.6883117 cup) during intermediate calculations and round only the final cubic foot figure to match your instrument tolerance.
More Cup & Cubic Foot Conversions
Need to calculate in the opposite direction? Use our cubic feet to cups (us) calculator to switch your starting unit immediately. You can also explore related tools such as converting cubic feet to cups (us), converting cubic meters to cubic feet, or converting gallons (us) to cubic feet.
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 Feet (ft³)
- [2]NIST HB 44 SpecificationNIST HB 44 (Liquid & Dry Capacity Tables)·Unit Specifications: Cup (US Customary) (cup) & Cubic Foot (ft³)
- [3]NIST SP 811 ReferenceNIST SP 811 (NIST SP 811 App. B.9)·Conversion Factors & Mathematical Basis (cup to ft³)