Volume
fl oz (US)toin³
Convert US fluid ounces (fl oz (US)) to cubic inches (in³).
Factor1 fl oz (US) = 1.804688 in³
Converter
fl oz (US)
Accepts numbers or expressions, e.g. 150 + 14.7
Result
in³
Rendered to 6 significant figures.
Formula
Formula
in³ = fl oz (US) × 1.804688
Multiply any value in US fluid ounces by 1.804688 to obtain the value in cubic inches.
Worked example
Convert 1 fl oz (US) to in³.
- 01Start with 1 fl oz (US).
- 02Multiply by the conversion factor: 1 × 1.804688 = 1.80469 in³.
Result1 fl oz (US) = 1.80469 in³
Conversion table
| fl oz (US) | in³ |
|---|---|
| 1 | 1.8047 |
| 2 | 3.6094 |
| 5 | 9.0234 |
| 10 | 18.047 |
| 20 | 36.094 |
| 50 | 90.234 |
| 100 | 180.47 |
| 200 | 360.94 |
| 500 | 902.34 |
| 1000 | 1804.7 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from fl oz (US) to in³?
1 fl oz (US) equals 1.804688 in³. To convert, multiply the value in US fluid ounces by 1.804688.
How do I convert 1 fl oz (US) to in³?
1 fl oz (US) = 1.80469 in³. For any value, multiply by 1.804688.
How do I convert in³ back to fl oz (US)?
Divide by the same factor — or equivalently, multiply by 0.5541126. So 1 in³ = 0.554113 fl oz (US).
When would I need to convert US fluid ounce to cubic inch?
Volume conversions are used for tank sizing, batch calculations, and bridging between vendor specs (gallons, barrels, ft³) and process documentation (m³, litres).
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).