cortana how many milliliters in a cup
1 Cup [US] = 236.588237 Milliliters. 1 Cup [Metric] = 250 Milliliters. also. 1 Cup [Metric] = 1.057 Cup [US] For example, to calculate how many milliliters of water in a half (1/2) US cup, multiply the cup value by the conversion factor, (1/2) * 236.588237 = 118.3 ml. of water.