What does tension mean in knitting?
What is tension? Tension for knitting is the number of stitches and rows that an average knitter will achieve to given unit of measurements, using specific yarn, pattern and needles. It is used to translate measurements into number of stitches and rows to be worked.
Will blocking make sweater bigger?
About half the length gained during blocking was lost once the pins were removed. This effect was seen across all the swatches, even those that had only been stretched by 1cm. So—for a sweater made of wool at least—in order to gain 5% in width, I’d need to pin it out with a 10% increase.