5 years old child weight 16 kg , is it good?

Too thin?: A 5 year old with this weight is about the 10th percentile. This means that 90% of child weigh more that him and 10% weigh less. If this weight has been consistent over time then there is nothing to worry about. This is why all growth including weight and height needs to be documented over time.

Weight: The weight is a little on the light side, but still considered normal.