8 oz. Metric units=Ml ( milliliters)
about 2 cups
300ml
well i think is is
millilitres
a closed coffee lid
Coffee mug is a concrete noun.
Ceramic coffee cups come in a variety of sizes: from ones for espresso to lattes. There is, therefore, no single answer.
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A coffee mug filled with mittens. A purple coffee mug.
A coffee mug's volume will typically be closer to 300 ml than to 3 liter. For those who live in the United States, 3 liters is close to a gallon.
Do you mean, Can you heat your aluminum coffee mug in the microwave? Because of course you can heat coffee in an aluminum mug, just not in the microwave.