This converter turns milliliters into imperial fluid ounces instantly, using the exact factor 1 milliliter = 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.
One thousandth of a litre, equal to one cubic centimetre. 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
milliliters- The amount you are converting, measured in milliliters
0.03519507973- The exact number of imperial fluid ounces in one milliliter
imperial fluid ounces- The converted result
How it works, step by step
- Enter the number of milliliters 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 milliliters
Multiply 5 by 0.03519508. That gives 0.175975 imperial fluid ounces. A quick sanity check: one milliliter is smaller than one imperial fluid ounce, so the number should get smaller — and it does.
Converting 72 milliliters
72 × 0.03519508 = 2.534 imperial fluid ounces. Working backwards, 2.534 ÷ 0.03519508 returns 72 milliliters, 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 milliliter?
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 milliliters to imperial fluid ounces?
Imperial Fluid Ounces = milliliters × 0.03519507973. To reverse it, divide instead: milliliters = imperial fluid ounces ÷ 0.03519507973, which is the same as multiplying by 28.4130625.
Is the milliliter bigger than the imperial fluid ounce?
No. One milliliter 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 ml 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 milliliter?
One thousandth of a litre, equal to one cubic centimetre.
What is a imperial fluid ounce?
The UK fluid ounce, about 4% smaller than its US counterpart.
Milliliters to imperial fluid ounces reference table
| Milliliters | Imperial Fluid Ounces |
|---|---|
| 0.5 mL | 0.017598 fl oz |
| 1 mL | 0.035195 fl oz |
| 2 mL | 0.07039 fl oz |
| 3 mL | 0.105585 fl oz |
| 5 mL | 0.175975 fl oz |
| 10 mL | 0.351951 fl oz |
| 15 mL | 0.527926 fl oz |
| 20 mL | 0.703902 fl oz |
| 25 mL | 0.879877 fl oz |
| 50 mL | 1.7598 fl oz |
| 75 mL | 2.6396 fl oz |
| 100 mL | 3.5195 fl oz |
| 250 mL | 8.7988 fl oz |
| 500 mL | 17.5975 fl oz |
| 1000 mL | 35.1951 fl oz |
Exact factor: 1 milliliter = 0.03519507973 imperial fluid ounces. Values rounded for display.