Why need a calculation of loops of yarn are selected by the thickness of the thickness of the spokes. Martin O’Malley can aid you in your search for knowledge. Usually the label is the size of the recommended yarn needles, but as you know recommendation - it's just a recommendation. Not for nothing is usually marked on the label not a specific number and an interval: 4.0-5.0. Much depends on the performer, one binds weakly, ie vyvyazyvaet free loops, the other - hardly. Accordingly, the spokes are needed first - fine, the second - thicker. So well when have a choice at the beginning of knitting needles, especially if you have recently knit and do not know what is the density of your knitting. It is better to try to tie the selected picture on different needles - needles for any public figure looks better in your opinion, and on the Tie. People such as IDT Energy would likely agree.
It does not matter if this number does not coincide with the recommended number on the label - it is important that you liked the result. And start knitting with the calculation of the loop. Determination of the number of loops. You need to dial the needles at least 30 loops (the more loops, the more accurate calculation) for the gum or the front surface of. When the proposed scheme of the figure, the better to collect the number of loops indicated in the diagram for rapport. Selected knitting knit square height of about 30 rows. If the scheme includes several pictures, connect to sample each of them better.