This is one of the most typical questions that at some point, wine lovers have done to us.
It is essential to note that the red grape offers higher performance than the white grape. Therefore, to make one liter of red wine will require between 1.2 / 1.3 kg Grape.
If we add that not all bottles have the same capacity, we will take as a standard format of 75 cl. Doing a simple rule of three, we note that the quantity used (approximately) is 1 kg. Grape.
So, when you visit a winery and you talk about production and ye Kg bottles only pass you will have to make this simple relationship: Grape 1kg = 1 bottle of wine.