Cubic inches to Fluid ounces (US) converter

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

1 in³ ≈ 0.554112554113 US fl oz
1 US fl oz = 1.8046875 in³

Formula: US fl oz ≈ in³ × 0.554112554113
in³ = US fl oz × 1.8046875

Definitions: 1 in³ = 16387.064 mm³; 1 US fl oz = 1/128 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 fluid ounce is 1/128 of a US gallon. It is the volume unit printed on American drink bottles, cans and nutrition labels, and it is not the same thing as the ounce of weight.

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