What is larger one half liter or 16.5 oz?

One half liter is larger than 16.5 oz.

To convert ounces to liters, we need to divide the number of ounces by 33.814. Therefore, 16.5 oz is equal to 16.5 / 33.814 = 0.488 liters. Since one half liter is equal to 0.5 liters, one half liter is larger than 16.5 oz.