Convert Cubic inches to US fluid ounces
1 cubic inch = 0.554113 US fluid ounces · fl oz = in³ ÷ 1.8046875
When you need this conversion
This conversion goes from cubic inches, used for engine displacement and small volumes, to US fluid ounces, used for drinks and recipe liquids. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Cubic inches to US fluid ounces conversion table
| Cubic inches (in³) | US fluid ounces (fl oz) |
|---|---|
| 1 in³ | 0.554113 fl oz |
| 2 in³ | 1.1082 fl oz |
| 3 in³ | 1.6623 fl oz |
| 5 in³ | 2.7706 fl oz |
| 10 in³ | 5.5411 fl oz |
| 15 in³ | 8.3117 fl oz |
| 20 in³ | 11.0823 fl oz |
| 25 in³ | 13.8528 fl oz |
| 50 in³ | 27.7056 fl oz |
| 75 in³ | 41.5584 fl oz |
| 100 in³ | 55.4113 fl oz |
| 250 in³ | 138.53 fl oz |
| 500 in³ | 277.06 fl oz |
| 1,000 in³ | 554.11 fl oz |
The formula
fl oz = in³ ÷ 1.8046875Because both units measure volume, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
US fluid ounces to cubic inches →Related volume conversions
- Milliliters to US fluid ounces
- Milliliters to US cups
- Liters to cubic meters
- Liters to US gallons
- Cubic meters to liters
- Cubic meters to cubic feet
- Cubic feet to cubic meters
- US gallons to liters
- US cups to milliliters
- US fluid ounces to milliliters
- Liters to US fluid ounces
- Cubic meters to US fluid ounces
Frequently asked questions
- How many US fluid ounces are in a cubic inch?
- There are 0.554113 US fluid ounces in 1 cubic inch. The formula is fl oz = in³ ÷ 1.8046875.
- How do you convert cubic inches to US fluid ounces?
- Use the formula fl oz = in³ ÷ 1.8046875. For example, 10 cubic inches equals 5.5411 US fluid ounces.
- Is the cubic inches to US fluid ounces conversion exact?
- Yes. Cubic inches and US fluid ounces are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is in³ short for?
- in³ is the standard symbol for cubic inch. fl oz is the symbol for US fluid ounce.