According to the National Cotton Council of America a bale of cotton weighs 500 pounds. This is different in weight from bales of hay or other crops. A hay bale only weighs up to 100 pounds which is much less than a cotton bale.
1 Additional Answer
A bale of cotton weighs about five hundred pounds. This is enough cotton to make about twelve hundred men's t-shirts or forty-three hundred mid-calf socks.