1 ounce is 28.3 ml. that is the same as 28.34 gm.
Well, one cup is equal to 236 to 237 milliliters (actual answer is 236.5582) so two cups is equal to 472 to 474 milliliters depending on your rounding. Also one milliliter is equal to 0.004226753 cups (or one thousandth of a cup).
20 pennyweights equal one troy ounce. Note that the troy ounce is heavier than a normal avoirdupois ounce.
One ounce = 28.349523125 grams
One ounce = 28.349523125 grams
20 pennyweights equal one ounce one pennyweight equals 20 grains or 0.05 of an ounce
One ounce is equal to about 28.35 g
One fluid ounce equals 29.57mL
One US fluid ounce is about 29.574 mL.
It is one fourth of ounce.
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One US fluid ounce = about 0.0296 liters.
28.34 grams equal 1 ounce