Cubic inches to Cups (US) converter

To convert cubic inches to cups (US), enter the value in the first field. The result in cups (US) is calculated automatically using the exact conversion factor.

1 in³ ≈ 0.0692640692641 US cup
1 US cup = 14.4375 in³

Formula: US cup ≈ in³ × 0.0692640692641
in³ = US cup × 14.4375

Definitions: 1 in³ = 16387.064 mm³; 1 US cup = 1/16 US gal

The cubic inch (in³) is the volume of a cube one inch on each side. It is still used in the United States for engine displacement, especially for classic American cars and motorcycles, and in machining and hydraulic pump specifications.

The US customary cup is half a US pint, or 8 US fluid ounces, and is the standard cup in American recipes. Cups differ between countries: the metric cup is 250 mL, and the cup used on US nutrition labels is rounded to 240 mL.

See the conversion table with commonly used values, handy for quick reference or study.