There is no set weight - they all come in different shapes and sizes.
You go by what is healthy for your individual piggy by checking their heft. The guide below explains
Weight Monitoring and Management
Thank you!
Also, on a separate matter, do you know why it says new born pup under my name?
You are a new born pup because you are new to the forum. It will change as you make more posts - you’ll become a senior guinea pig when you’ve made 5000 posts for example .