1)DEXA Scan
2)Hydrostatic weighing
4)Caliper test by someone who doesnt grab your muscle and say.....here ya are....(Use as many sites as possible, not the 3 site routine and take it 3 times and then average them out)
5)Bioelectrical impedence(This can be off due to water/AAS cycles.-Not the most accurate but at least it gives ya something to go on.