This converter turns cubic centimeters into US fluid ounces instantly, using the exact factor 1 cubic centimeter = 0.0338140227 US fluid ounces. Type any number and the result updates as you go — nothing is sent to a server, so the arithmetic happens entirely in your browser.
Identical to a millilitre; the classic unit for engine displacement. One eighth of a US cup, roughly 29.57 millilitres.
Because the relationship is a simple proportion, one multiplication does the whole job. The table further down gives pre-computed values for the amounts people look up most often, and the result panel also reports the reverse conversion so you can check the figure both ways.
The formula
cubic centimeters- The amount you are converting, measured in cubic centimeters
0.0338140227- The exact number of US fluid ounces in one cubic centimeter
US fluid ounces- The converted result
How it works, step by step
- Enter the number of cubic centimeters you want to convert.
- The value is multiplied by 0.0338140227, the exact conversion factor.
- The result is displayed in US fluid ounces, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 cubic centimeters
Multiply 5 by 0.033814023. That gives 0.16907 US fluid ounces. A quick sanity check: one cubic centimeter is smaller than one US fluid ounce, so the number should get smaller — and it does.
Converting 72 cubic centimeters
72 × 0.033814023 = 2.4346 US fluid ounces. Working backwards, 2.4346 ÷ 0.033814023 returns 72 cubic centimeters, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many US fluid ounces are in one cubic centimeter?
Exactly 0.0338140227. Every conversion on this page is that single number multiplied by your input, so the result carries no rounding error beyond what is shown.
What is the formula to convert cubic centimeters to US fluid ounces?
Us Fluid Ounces = cubic centimeters × 0.0338140227. To reverse it, divide instead: cubic centimeters = US fluid ounces ÷ 0.0338140227, which is the same as multiplying by 29.57352956.
Is the cubic centimeter bigger than the US fluid ounce?
No. One cubic centimeter is only 0.033814 of a US fluid ounce, so the US fluid ounce is the larger unit.
Why does my answer differ slightly from other cubic-centimeters to us-fluid-ounces converters?
Most differences come from rounding the factor too early. This tool keeps full double precision through the calculation and only rounds at the final display step, and it also shows the unrounded value so you can see exactly where any difference appears.
What is a cubic centimeter?
Identical to a millilitre; the classic unit for engine displacement.
What is a US fluid ounce?
One eighth of a US cup, roughly 29.57 millilitres.
Cubic Centimeters to US fluid ounces reference table
| Cubic Centimeters | Us Fluid Ounces |
|---|---|
| 0.5 cm³ | 0.016907 fl oz |
| 1 cm³ | 0.033814 fl oz |
| 2 cm³ | 0.067628 fl oz |
| 3 cm³ | 0.101442 fl oz |
| 5 cm³ | 0.16907 fl oz |
| 10 cm³ | 0.33814 fl oz |
| 15 cm³ | 0.50721 fl oz |
| 20 cm³ | 0.67628 fl oz |
| 25 cm³ | 0.845351 fl oz |
| 50 cm³ | 1.6907 fl oz |
| 75 cm³ | 2.5361 fl oz |
| 100 cm³ | 3.3814 fl oz |
| 250 cm³ | 8.4535 fl oz |
| 500 cm³ | 16.907 fl oz |
| 1000 cm³ | 33.814 fl oz |
Exact factor: 1 cubic centimeter = 0.0338140227 US fluid ounces. Values rounded for display.