For measuring the American standard includes cups, gallons, pints, quarts, teaspoons, tablespoons, and ounces. Metric measurements include milliliters, or ml, liters, and grams. Metric measurements are by volume instead of weight. There are conversion charts to help with making changes and converting milliliters to cups or other American standard measurements. In liquid measurements, one pint or two cups is equal to 500 ml. It is also the same as 16 fluid ounces. For dry measurements it would be approximately 2.11338 cups equal to 500 ml.