The answer you want depends on the size of the child's chest.
Measure their waist and chest size mainly for determining the right size of clothing.
depending on the size of the child
Why?
US size #3, UK size #10
A US knitting needle size 6 would be equivalent to a UK knitting needle size 8, or a 4mm.
answers is salman khan chest size 48
20mm knitting needles are needles that are 20mm in diameter. They are also known as US size 35 needles.
8 inches maybe a foot (12 inches) :)
answers is salman khan chest size 42
size 6
no
It is 1mm diameter