US fluid ounce (fl oz US)
The US fluid ounce is used for drinks, medicine, cosmetics, and recipes with small volumes.
History: the US fluid ounce grew out of apothecary and trade volume measures and differs from the imperial fluid ounce.
Quickly convert US fluid ounces to cubic inches without lookup tables or manual math.
This page is focused on converting US fluid ounces to cubic inches. Type a number into the first field and the result appears immediately in the second field.
Example: 1 fl oz US = 1.8046875 in³. Conversion formula: result = value × 2.95735295625E-5 / 1.6387064E-5.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
The US fluid ounce is used for drinks, medicine, cosmetics, and recipes with small volumes.
History: the US fluid ounce grew out of apothecary and trade volume measures and differs from the imperial fluid ounce.
The cubic inch is used for small volumes, mechanics, engines, and imperial technical descriptions.
History: the cubic inch became a technical small-volume unit, especially in mechanics and engine descriptions.
Enter a value in the US fluid ounce field. The converter applies the formula "result = value × 2.95735295625E-5 / 1.6387064E-5" and immediately shows the result in cubic inches.
1 fl oz US = 1.8046875 in³.
Yes. Use the swap button or choose the reverse pair from the full conversion list.