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You should weigh about 6 1/2 stone for the perfect weight for a 12 year old boy.
There is no specific, mutual weight that all 12 year olds should weigh. If you are taller, obviously you should weigh more. Also weight can somewhat be based on physical activity and the diet you consume. If you want to, use a BMC (body mass calculator). This device takes you're weight, height, and measures the amount of muscle compared to the amount of fat your body has, and normally gives you a range of either being underweight, healthy, overweight, or obese.

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7y ago

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