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well my sis is 11 and she probably weighs 80 pounds but she is sorta short so it depends how tall you are because her friend is pretty tall and skinny and weighs like 100 pounds.

I think that the average 11 year old weight is about 70-100 pounds. Everyone grows differently, so don't feel bad if you think you're overweight. Other girls start puberty younger or older, so it all depends.

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15y ago

What else can I help you with?