One milliliter is only 1/237 (0.0042) of a cup, and one cup equals 237 ml. You might find it useful to know that half of a cup equals 119 ml. Two cups is 474 ml exactly (almost half of a liter). Another way around, 100 ml is 0.42 cups ≈ 2/5 cups, and 200 ml is 0.84 cup. Read more