Do I have a broken rib?

Ok so today i jumped of a storage container mayber 6 or 7 feet tall, i misjudged how high it was and my legs crumpled and my chest hunched over and took all the force, it hurt really bad and was painful to move and get up, its been 2 hours now and its a little painful to breath but not bad, when i lie on my back it stop hurting but to get back up is terrible, it hurts right in the middle of my chest where the eibs converge, and it hurts to put pressure on it but it doesnt move like its broken, whats wrong and how long will it be until it stops hurting???