Cubic Inches to Fluid Ounces
Convert cubic inches (in³) to fluid ounces (fl oz). Type in either box; the other updates as you go.
How to convert cubic inches to fluid ounces
To convert cubic inches to fluid ounces, divide the number of cubic inches by 1.8046875.
Example
Convert 5 cubic inches to fluid ounces:
Cubic Inch to fluid ounce conversion chart
| Cubic Inches (in³) | Fluid Ounces (fl oz) |
|---|---|
| 1 in³ | 0.5541126 fl oz |
| 2 in³ | 1.108225 fl oz |
| 3 in³ | 1.662338 fl oz |
| 4 in³ | 2.21645 fl oz |
| 5 in³ | 2.770563 fl oz |
| 6 in³ | 3.324675 fl oz |
| 7 in³ | 3.878788 fl oz |
| 8 in³ | 4.4329 fl oz |
| 9 in³ | 4.987013 fl oz |
| 10 in³ | 5.541126 fl oz |
| 12 in³ | 6.649351 fl oz |
| 15 in³ | 8.311688 fl oz |
| 20 in³ | 11.08225 fl oz |
| 25 in³ | 13.85281 fl oz |
| 30 in³ | 16.62338 fl oz |
| 40 in³ | 22.1645 fl oz |
| 50 in³ | 27.70563 fl oz |
| 60 in³ | 33.24675 fl oz |
| 70 in³ | 38.78788 fl oz |
| 75 in³ | 41.55844 fl oz |
| 80 in³ | 44.329 fl oz |
| 90 in³ | 49.87013 fl oz |
| 100 in³ | 55.41126 fl oz |
| 150 in³ | 83.11688 fl oz |
| 200 in³ | 110.8225 fl oz |
| 250 in³ | 138.5281 fl oz |
| 500 in³ | 277.0563 fl oz |
| 1,000 in³ | 554.1126 fl oz |
Going the other way? See the fluid ounces to cubic inches chart.
About the units
Cubic Inch (in³)
A cubic inch is the volume of a cube one inch on each side, about 16.39 milliliters. US engine sizes were long given in cubic inches.
Fluid Ounce (fl oz)
A US fluid ounce is 1/128 of a US gallon, about 29.57 milliliters. It measures liquid volume, not weight.
Frequently asked questions
How many fluid ounces are in a cubic inch?
There are 0.5541125541 fluid ounces in a cubic inch.
How many cubic inches are in a fluid ounce?
There are 1.8046875 cubic inches in a fluid ounce.
How do you convert cubic inches to fluid ounces?
To convert cubic inches to fluid ounces, divide the number of cubic inches by 1.8046875.
What is 5 cubic inches in fluid ounces?
5 cubic inches equals 2.77056 fluid ounces.
Convert between liters, gallons, cups, fluid ounces, tablespoons and cubic units. Open the volume converter to see a value in every unit at once.