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For a 12 to 13 year-old-boy, the normal weight is around 100 lbs to 110 lbs (45.4 kg to 50 kg) and average height is 5' to 5'5" (154 to 164 cm).

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12y ago
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Horizon

Lvl 1
3y ago
oof I'm far from average at 5'7½" and 99 lbs
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Wiki User

12y ago

everyones different and we all grow at different speeds soyeah

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Wiki User

13y ago

it depends how tall you are

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Wiki User

16y ago

i think you should be around 110-120

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Wiki User

13y ago

7 stone and 5 foot 3

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Q: How tall and heavy should a average 12 year old be?
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