Fluid Ounces to Cubic Inches
Convert fluid ounces (fl oz) to cubic inches (in³). Type in either box; the other updates as you go.
How to convert fluid ounces to cubic inches
To convert fluid ounces to cubic inches, multiply the number of fluid ounces by 1.8046875.
Example
Convert 5 fluid ounces to cubic inches:
Fluid Ounce to cubic inch conversion chart
| Fluid Ounces (fl oz) | Cubic Inches (in³) |
|---|---|
| 1 fl oz | 1.804688 in³ |
| 2 fl oz | 3.609375 in³ |
| 3 fl oz | 5.414062 in³ |
| 4 fl oz | 7.21875 in³ |
| 5 fl oz | 9.023438 in³ |
| 6 fl oz | 10.82812 in³ |
| 7 fl oz | 12.63281 in³ |
| 8 fl oz | 14.4375 in³ |
| 9 fl oz | 16.24219 in³ |
| 10 fl oz | 18.04688 in³ |
| 12 fl oz | 21.65625 in³ |
| 15 fl oz | 27.07031 in³ |
| 20 fl oz | 36.09375 in³ |
| 25 fl oz | 45.11719 in³ |
| 30 fl oz | 54.14063 in³ |
| 40 fl oz | 72.1875 in³ |
| 50 fl oz | 90.23438 in³ |
| 60 fl oz | 108.2813 in³ |
| 70 fl oz | 126.3281 in³ |
| 75 fl oz | 135.3516 in³ |
| 80 fl oz | 144.375 in³ |
| 90 fl oz | 162.4219 in³ |
| 100 fl oz | 180.4688 in³ |
| 150 fl oz | 270.7031 in³ |
| 200 fl oz | 360.9375 in³ |
| 250 fl oz | 451.1719 in³ |
| 500 fl oz | 902.3438 in³ |
| 1,000 fl oz | 1,804.688 in³ |
Going the other way? See the cubic inches to fluid ounces chart.
About the units
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.
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.
Frequently asked questions
How many cubic inches are in a fluid ounce?
There are 1.8046875 cubic inches in a fluid ounce.
How many fluid ounces are in a cubic inch?
There are 0.5541125541 fluid ounces in a cubic inch.
How do you convert fluid ounces to cubic inches?
To convert fluid ounces to cubic inches, multiply the number of fluid ounces by 1.8046875.
What is 5 fluid ounces in cubic inches?
5 fluid ounces equals 9.02344 cubic inches.
Convert between liters, gallons, cups, fluid ounces, tablespoons and cubic units. Open the volume converter to see a value in every unit at once.