4 cups of cubed sweet potatoes is how many potatoes?

The number of sweet potatoes needed to make 4 cups of cubed sweet potatoes can vary based on the size of the potatoes. On average, one medium sweet potato yields about 1 to 1.5 cups when cubed. Therefore, you would typically need about 3 to 4 medium sweet potatoes to get 4 cups of cubed sweet potatoes.