gained 6 pounds fat or muscle??

[ALB1993]

I have been going to the gym 4 - 5 times a week doing carido and weights. I have gained 6 pounds but how do I know if this is fat or muscle ,? I feel like it's fat but I hope it's not and my pants feel slightly tighter please help x

 

[gina_b]

most likey muscle.
ive gained a stone since taking up running and weights, my pants feel tighter but I can tell its not fatty, it dosent move at all and I cant fit into my skinny jeans anymore. my waist has shrunk by 3 inches yet my legs have gotten bigger