If you have to measure ml (milliliters) without a measuring cup, try one of those methods:
Use a teaspoon or a tablespoon — a teaspoon contains about 5 ml, and a tablespoon about 15 ml.
Use a standard glass — a full glass contains about 250 ml, and half of a glass is around 125 ml.
Use a kitchen scale — when measuring liquids, you can assume that 1 g = 1 ml, 10 g = 10 ml etc.
Use an empty bottle with a known given volume.
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