Is 6st underweight for a boy of 11?

To determine if 6 stone (84 pounds or approximately 38 kg) is underweight for an 11-year-old boy, it’s important to consider height and body composition. Generally, using the Body Mass Index (BMI) can help assess whether a child is in a healthy weight range. An 11-year-old boy's weight may be considered underweight if his BMI falls below the 5th percentile for his age. Consulting a healthcare professional for personalized assessment is recommended.