This converter turns cubic centimeters into imperial fluid ounces instantly, using the exact factor 1 cubic centimeter = 0.03519507973 imperial 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. The UK fluid ounce, about 4% smaller than its US counterpart.
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
0.03519507973- The exact number of imperial fluid ounces in one cubic centimeter
imperial 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 0.03519507973, the exact conversion factor.
- The result is displayed in imperial 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 0.03519508. That gives 0.175975 imperial fluid ounces. A quick sanity check: one cubic centimeter is smaller than one imperial fluid ounce, so the number should get smaller — and it does.
Converting 72 cubic centimeters
72 × 0.03519508 = 2.534 imperial fluid ounces. Working backwards, 2.534 ÷ 0.03519508 returns 72 cubic centimeters, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many imperial fluid ounces are in one cubic centimeter?
Exactly 0.03519507973. 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 imperial fluid ounces?
Imperial Fluid Ounces = cubic centimeters × 0.03519507973. To reverse it, divide instead: cubic centimeters = imperial fluid ounces ÷ 0.03519507973, which is the same as multiplying by 28.4130625.
Is the cubic centimeter bigger than the imperial fluid ounce?
No. One cubic centimeter is only 0.0351951 of a imperial fluid ounce, so the imperial fluid ounce is the larger unit.
Why does my answer differ slightly from other cubic-centimeters to imperial-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 imperial fluid ounce?
The UK fluid ounce, about 4% smaller than its US counterpart.
Cubic Centimeters to imperial fluid ounces reference table
| Cubic Centimeters | Imperial Fluid Ounces |
|---|---|
| 0.5 cm³ | 0.017598 fl oz |
| 1 cm³ | 0.035195 fl oz |
| 2 cm³ | 0.07039 fl oz |
| 3 cm³ | 0.105585 fl oz |
| 5 cm³ | 0.175975 fl oz |
| 10 cm³ | 0.351951 fl oz |
| 15 cm³ | 0.527926 fl oz |
| 20 cm³ | 0.703902 fl oz |
| 25 cm³ | 0.879877 fl oz |
| 50 cm³ | 1.7598 fl oz |
| 75 cm³ | 2.6396 fl oz |
| 100 cm³ | 3.5195 fl oz |
| 250 cm³ | 8.7988 fl oz |
| 500 cm³ | 17.5975 fl oz |
| 1000 cm³ | 35.1951 fl oz |
Exact factor: 1 cubic centimeter = 0.03519507973 imperial fluid ounces. Values rounded for display.