Fluid ounces (US) to Cubic inches converter

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

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

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

Definitions: 1 US fl oz = 1/128 US gal; 1 in³ = 16387.064 mm³

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.

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.

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