How can I tell how old my leopard gecko is?

[Jessx]

Hi I bought my Leo about 3 years ago from a reptile and fish shop, and I have since learnt that they are a bit dodgey and have closed down. I was never told how old he was and I was wondering if there was a way to 'guesstimate' or work out how old he is? I have tried to attach a photo but am new on here so might have done it wrong! Thanks x

 

[TheresaB.C]

Do you have the hatch date or know the size she was when she was bought? If you don't then there is really no way to tell.

 

[Jessx]

No idea unfortunately, was told nothing about him. I would say he is the same size as when I bought him