A pound of kale measures roughly 10 to 12 cups when loosely packed and chopped, though the exact amount depends on how finely you chop it and how densely you pack it. Raw kale is very leafy and airy, so volume varies significantly based on preparation.
For practical cooking purposes, if a recipe calls for 1 pound of kale, you can estimate about 10–12 cups of chopped raw kale. If you pack it more tightly, you might fit it into closer to 8–9 cups. Conversely, if you measure loosely and don't chop finely, you could reach 12–14 cups.
When kale is cooked, it wilts dramatically and reduces to about 1–2 cups per pound, since most of its volume comes from water content in the leaves. This is important to know if you're following a cooked kale recipe, as the final yield will be much smaller.
The leafy varieties like curly kale and Lacinato kale may have slightly different volumes due to leaf size and texture, but they generally fall within this range. For the most accurate measurement in a recipe, weighing kale on a kitchen scale is more reliable than cup measurements, especially when precision matters.