Percocet 2.5/325 is the weakest form of Percocet. According to Endo Pharmaceuticals, this dosage contains 2.5 mg of oxycodoneIn Percocet 5/325, 5 mg oxycodone hydrochloride is equivalent to 4.4815 mg of pure oxycodone. This dosage can be used for building up and tapering, or may be...