12 Ounces to ml
12 US fluid ounces is 354.9 ml; 12 UK fluid ounces is 341 ml.
12 fl oz is
355 ml
354.9 ml exactly · 341 ml in UK fl oz
To measure 12 fl oz
1½ cups
What 12 fl oz weighs
| Ingredient | Grams | Ounces |
|---|---|---|
| Water | 354 g | 12.5 oz |
| Milk | 368 g | 13 oz |
| All-Purpose Flour | 188 g | 6.6 oz |
| Granulated Sugar | 300 g | 10.6 oz |
| Vegetable Oil | 327 g | 11.5 oz |
US cups, filled level (dry ingredients spooned in); weights reviewed August 15, 2026. Every ingredient’s weight per cup · How we calculate
Nearby amounts
Every amount, with a converter: ounces to ml chart.
Same amount in other units
Questions
How many ml is 12 fl oz?
12 US fluid ounces is 354.9 ml; 12 UK fluid ounces is 341 ml.
Is a US fluid ounce the same as a UK fluid ounce?
No. A US fluid ounce is 29.6 ml (29.5735 ml exactly) and a UK (imperial) fluid ounce is 28.4 ml (28.4131 ml), about 4% smaller. US recipes, nutrition labels and bottles sold in the US mean the US fluid ounce; older British recipes mean the UK one.
How do I measure 12 fl oz with cups and spoons?
Use 1½ cups. Level each cup and spoon with a knife.
How much does 12 fl oz weigh?
It depends on what fills it: 12 fl oz of water weighs 354 g, of all-purpose flour 188 g and of granulated sugar 300 g.