How may cups of uncooked green lentils for 3 lbs cooked?

To yield 3 pounds of cooked green lentils, you typically need about 1 cup of uncooked lentils, as they roughly triple in weight when cooked. Therefore, for 3 pounds of cooked lentils, you would need approximately 1 cup of uncooked lentils. Adjustments may vary slightly depending on the specific variety and cooking method.