Fluid ounces (fl oz) to Cubic inches (in³) Conversion
Fluid ounces
The fluid ounce is a unit of volume used for measuring liquids in the US customary and imperial systems. The US fluid ounce is approximately 29.5735 mL while the imperial fluid ounce is 28.4131 mL. It should not be confused with the avoirdupois ounce (a unit of mass). In the United States, oral liquid medications and beverage serving sizes on nutrition labels are expressed in fluid ounces.
Cubic inches
The cubic inch is a unit of volume in the US customary and imperial systems equal to exactly 16.387 mL (the cube of 2.54 cm). Engine displacement in the United States is traditionally expressed in cubic inches: a 350 cubic inch V8 engine. It is also used in packaging, woodworking, and small industrial parts specifications.
| Fluid ounces (fl oz) | Cubic inches (in³) |
|---|---|
| 0.1 fl oz | 0.1805 in³ |
| 1 fl oz | 1.8047 in³ |
| 2 fl oz | 3.6094 in³ |
| 3 fl oz | 5.4141 in³ |
| 5 fl oz | 9.0234 in³ |
| 10 fl oz | 18.0469 in³ |
| 20 fl oz | 36.0938 in³ |
| 30 fl oz | 54.1406 in³ |
| 50 fl oz | 90.2344 in³ |
| 100 fl oz | 180.4688 in³ |
| 1000 fl oz | 1,804.6875 in³ |
Frequently Asked Questions (FAQ)
How many cubic inches are in 1 fluid ounces?
1 fluid ounces (fl oz) is exactly 1.8047 cubic inches (in³).
How do I convert fluid ounces to cubic inches?
Multiply the value in fluid ounces by 1.8047 to get the result in cubic inches. Or use the converter above — type any number and see the result instantly.