Convert Cup (US) (cup) to Cubic inch (in³) (in3)

Category: Volume

7.21875 in3

0.5 cup = 7.21875 in3

High-precision rounding: 6 decimals


How to convert cup (us) to cubic inch (in³)

We convert by pivoting through the SI base unit for Volume and applying exact factors where applicable.

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Examples

Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).

Common mistakes

  • Mixing US gallons (3.785 L) with Imperial gallons (4.546 L).
  • Assuming kitchen ‘cup’ equals the same volume in every country.

About Volume

Volume measures the space a substance occupies. SI uses cubic meters and liters; customary units like gallons, quarts, and pints persist in recipes, fuel, and containers. Accurate volume work often requires temperature and density considerations (e.g., for fuels).

About Cup (US)

Cup (US)

≈ 236.588 mL. Informal cooking measure; exact value may vary by country and cookbook conventions.

History: Culinary traditions standardized local cup sizes; US customary cup is common in recipes and nutrition.

About Cubic inch (in³)

Cubic inch (in³)

Volume of a cube 1 in on each side. Classic for engine displacement (e.g., 350 in³) and small components.

History: Automotive culture in the US popularized cubic inches; later often shown alongside liters.

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