🧪 Volume Converter

Cups to Cubic Feet
( cup → ft³ )

Instantly convert US cups to cubic feet. Enter any value below and get an accurate result with the full formula and reference table.

Converter Tool
cup
ft³
Result
1 cup ≈ 0.008355 ft³
0.008355
ft³
The Formula
ft³ = cup × 0.00835503
Exactly: 1 US cup = 77/9216 ft³ ≈ 0.00835503. Derived from 1 cup = 14.4375 in³ and 1 ft³ = 1728 in³.

How to Convert Cups to Cubic Feet

To convert US cups to cubic feet, multiply the number of cups by 0.00835503. This factor comes from the relationship between cups, cubic inches, and cubic feet in US customary units.

Step-by-Step Example

Let’s convert 1000 cups to cubic feet:

1. Multiply by 0.00835503: 1000 × 0.00835503 = 8.35503
2. So 1000 cups equals approximately 8.355 ft³.

For a smaller amount, 1 cup × 0.00835503 = 0.00835503 ft³.

When You’d Use Each Unit

Cups are commonly used in the US for measuring ingredients like flour, sugar, milk, or water in recipes. Cubic feet are used for larger volumes like room size, refrigerator capacity, or shipping containers. Converting between them helps understand vast scale differences.

Conversion Table

Common cups values converted to cubic feet — typical values highlighted.

Cups (cup) Cubic Feet (ft³) Approximate
Frequently Asked Questions
How do I convert cups to cubic feet quickly? +
Multiply by 0.00836 for a rough estimate. For exact conversion, use 0.00835503. This tool provides the precise value.
How many cubic feet are in a cup? +
There are approximately 0.00835503 cubic feet in one US cup. Exactly, it’s 77/9216 ft³.
What is 1 cup in ft³? +
1 cup ≈ 0.00835503 ft³.
What is 1 ft³ in cups? +
1 ft³ ≈ 119.7 cups (since 1 / 0.00835503 ≈ 119.7).
Is this the same for UK cups? +
No, UK cups are about 284.131 mL, which is about 0.00999 ft³. This converter uses US cups.
Can I convert cubic feet back to cups with this tool? +
Yes! Just type a value into the cubic feet field and the cups field updates automatically. Or use the ⇄ swap button to switch directions.
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