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Is 40kg heavy for a 12 year old?

GeneralClass 12AllAnswered 27 Mar 2026
Answer

40 kg is within the normal range for a 12-year-old, though it depends on height and build. According to growth charts:

  • For 12-year-old girls: average is 40-45 kg
  • For 12-year-old boys: average is 38-43 kg

Individual variation is normal, and healthy weight depends more on overall health and development than a specific number.

General · Class 12