Whether you’re trying out a new recipe or figuring out how much water to add to your garden, understanding volume conversions—especially between ounces and gallons—is an everyday necessity.
Accurate measurements make a difference in cooking, baking, and all sorts of other situations. That’s why this article breaks down the conversion between ounces and gallons, covering both US customary and Imperial systems.
We’ll cover the definitions of ounces and gallons, highlight the differences between US and Imperial measurements, provide the conversion formulas, and walk through some practical examples, including the answer to the question: how many oz in a gallon and a half?