mL to oz Converter
US fl oz = 29.5735 mL · UK fl oz = 28.4131 mL
Enter any positive number, including decimals
Select an ingredient to also see its weight in ounces
Click a preset to fill the input with a common kitchen volume
Enter a Volume to Convert
Type a milliliter or fluid ounce value above to instantly see the converted result, kitchen context, and more.
mL to fl oz Reference Table
Common volumes with US and UK fluid ounce equivalents and kitchen context.
| mL | US fl oz | UK fl oz | Context |
|---|---|---|---|
| 1 | 0.034 | 0.035 | Small drop |
| 5 | 0.169 | 0.176 | 1 teaspoon |
| 15 | 0.507 | 0.528 | 1 tablespoon |
| 30 | 1.014 | 1.056 | ~1 fl oz / 2 tbsp |
| 50 | 1.691 | 1.760 | Small shot glass |
| 100 | 3.381 | 3.520 | Common medication bottle |
| 118 | 3.990 | 4.153 | ~4 fl oz / half cup |
| 237 | 8.014 | 8.341 | ~8 fl oz / 1 cup |
| 250 | 8.454 | 8.799 | 1 metric cup |
| 355 | 12.004 | 12.494 | ~12 fl oz / standard can |
| 473 | 15.994 | 16.647 | ~1 US pint |
| 500 | 16.907 | 17.598 | 500 mL bottle |
| 750 | 25.361 | 26.396 | Standard wine bottle |
| 1000 | 33.814 | 35.195 | 1 liter bottle |
How to Use This Converter
Choose Conversion Direction
Select mL → oz to convert milliliters to fluid ounces, or oz → mL to go the other way. Use the swap button (arrows icon) to flip the direction instantly and carry over the current result as the new input.
Select US or UK Fluid Ounce
Toggle between US fluid ounces (29.5735 mL each) and UK Imperial fluid ounces (28.4131 mL each). US is the default and most common for online recipes. If you are using a British cookbook or following UK measurements, switch to UK. Both values are shown simultaneously in the results panel.
Enter Your Volume (or Use a Preset)
Type any milliliter value into the input field — decimals are accepted. Or click one of the quick preset buttons below the field for common kitchen volumes: 5 mL (teaspoon), 15 mL (tablespoon), 30 mL, 50 mL, 100 mL, 250 mL, 500 mL, or 1000 mL (1 liter). Results update automatically as you type.
Optionally Select an Ingredient for Weight Ounces
If your recipe calls for a weight in ounces but you are measuring by volume, select the ingredient from the dropdown (water, flour, sugar, honey, etc.). The converter applies the ingredient's density to calculate the equivalent weight in ounces alongside the fluid ounce result. This is particularly useful for baking where precision matters.
Frequently Asked Questions
How many ounces is 100 mL?
100 mL equals 3.3814 US fluid ounces or 3.5195 UK fluid ounces. In kitchen terms, 100 mL is just under 7 tablespoons (6.76 tbsp) or a little less than ½ cup. It is a common measurement for small beverage servings, medication bottles, and mini liquor bottles. The exact factor is: 100 × 0.033814 = 3.3814 US fl oz. If you are reading a US nutrition label, the serving size would appear as '3.38 fl oz (100 mL).'
What is the difference between a US fluid ounce and a UK fluid ounce?
A US fluid ounce equals exactly 29.5735296875 mL, while a UK (Imperial) fluid ounce equals 28.4130625 mL — about 4% smaller. This means that a UK recipe calling for 8 fl oz actually uses less liquid than a US recipe calling for 8 fl oz (227 mL vs 237 mL). The difference arises because the US and UK defined their gallons differently: the US uses the old wine gallon while the UK uses the Imperial gallon. Always check which standard your recipe uses; most online recipes are American unless otherwise stated.
How many mL is 1 oz?
One US fluid ounce equals exactly 29.5735 mL. One UK (Imperial) fluid ounce equals 28.4131 mL. A quick mental approximation: 1 oz ≈ 30 mL (accurate to within 1.5% for US). This approximation is commonly used for cocktail recipes and medication dosing. For precision work — especially baking or pharmaceutical calculations — use the exact values. Note that a weight ounce (avoirdupois) is different from a fluid ounce and equals 28.3495 grams, not a fixed volume.
Why is 8 oz not exactly 237 mL?
8 US fluid ounces equals exactly 236.588 mL — very close to but not exactly 237 mL. The 237 mL figure you see on water bottles and measuring cups is a rounded approximation used for practical purposes. The exact calculation is 8 × 29.5735296875 = 236.5882375 mL. Similarly, a 'standard cup' in the US is defined as exactly 8 US fl oz = 236.588 mL, rounded to 237 mL for labeling. This tiny discrepancy (0.17%) is negligible for everyday cooking but can accumulate in large-batch industrial recipes.
How do I convert mL to oz for a recipe — flour or sugar?
Flour and sugar are dry ingredients measured by weight (grams or ounces), not by fluid ounces. However, US volume recipes sometimes call for cups of flour, which you can cross-reference: 1 cup of all-purpose flour ≈ 125 grams ≈ 4.4 weight oz, even though the volume is 236.6 mL. Use our ingredient mode: select 'All Purpose Flour' or 'Granulated Sugar,' enter the milliliter volume, and the converter calculates weight ounces using the ingredient's density. For flour, density ≈ 0.593 g/mL (unsifted); for granulated sugar, ≈ 0.845 g/mL.
How many mL is a standard fluid ounce shot, cup, pint, and quart?
Common US volume equivalents in mL: 1 shot (1.5 fl oz) = 44.36 mL; 1 cup (8 fl oz) = 236.59 mL; 1 pint (16 fl oz) = 473.18 mL; 1 quart (32 fl oz) = 946.35 mL; 1 gallon (128 fl oz) = 3,785.41 mL. For quick reference: a standard 12 fl oz soda can is 354.88 mL (labeled 355 mL); a standard wine bottle is 750 mL = 25.36 fl oz; a 2-liter soda bottle = 67.63 fl oz. These equivalents are all in US fluid ounces.