Convert cubic inches to US fluid ounces
1 in³ = 0.55411255 fl oz. Change the amount below, or read the formula and the reference table further down.
1 cubic inch equals
US fluid ounces
1 in³ = 0.55411255 fl oz
The formula
Cubic inches and US fluid ounces both measure volume from the same zero, so a single multiplier does the job.
fl oz = in³ × 0.5541125541
Going the other way? Convert US fluid ounces to cubic inches.
Cubic inches to US fluid ounces table
Common values, rounded for reading.
| Cubic inches (in³) | US fluid ounces (fl oz) |
|---|---|
| 1 | 0.554113 |
| 2 | 1.1082 |
| 3 | 1.6623 |
| 4 | 2.2165 |
| 5 | 2.7706 |
| 6 | 3.3247 |
| 7 | 3.8788 |
| 8 | 4.4329 |
| 9 | 4.987 |
| 10 | 5.5411 |
| 15 | 8.3117 |
| 20 | 11.0823 |
| 25 | 13.8528 |
| 30 | 16.6234 |
| 40 | 22.1645 |
| 50 | 27.7056 |
| 75 | 41.5584 |
| 100 | 55.4113 |
| 250 | 138.53 |
| 500 | 277.06 |
| 1,000 | 554.11 |
Questions people ask
- How many US fluid ounces are in a cubic inch?
- One cubic inch equals 0.5541125541 US fluid ounces.
- How do I convert cubic inches to US fluid ounces by hand?
- Multiply the number of cubic inches by 0.5541125541. For a rough check, 0.554 is close enough for most everyday use.
- What is 1 cubic inch in US fluid ounces?
- 1 cubic inch is 0.55411255 US fluid ounces.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.