1 Ounce to ml
1 US fluid ounce is 29.6 ml; 1 UK fluid ounce is 28.4 ml.
1 fl oz is
29.6 ml
29.6 ml exactly · 28.4 ml in UK fl oz
To measure 1 fl oz
2 tbsp
What 1 fl oz weighs
| Ingredient | Grams | Ounces |
|---|---|---|
| Water | 30 g | 1.1 oz |
| Milk | 31 g | 1.1 oz |
| All-Purpose Flour | 16 g | 0.6 oz |
| Granulated Sugar | 25 g | 0.9 oz |
| Vegetable Oil | 27 g | 1 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.
Questions
How many ml is 1 fl oz?
1 US fluid ounce is 29.6 ml; 1 UK fluid ounce is 28.4 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 1 fl oz with cups and spoons?
Use 2 tbsp. Level each cup and spoon with a knife.
How much does 1 fl oz weigh?
It depends on what fills it: 1 fl oz of water weighs 30 g, of all-purpose flour 16 g and of granulated sugar 25 g.