What is the measure for martini rosso?

Martini Rosso is typically served in a variety of ways, but when served straight or on the rocks, a standard measure is usually 50 ml (approximately 1.7 ounces). It can also be used as a key ingredient in cocktails, where the amount may vary depending on the recipe. For mixed drinks, the measure can range from 30 ml to 50 ml, depending on the desired strength and flavor profile.