'Span' in the Bible

it is square, doubled, a span its length, and a span its breadth.

it hath been square; double they have made the breastplate, a span its length, and a span its breadth, doubled.

And there goeth out a man of the duellists from the camps of the Philistines, Goliath is his name, from Gath; his height is six cubits and a span,

Who hath measured in the hollow of his hand the waters? And the heavens by a span hath meted out, And comprehended in a measure the dust of the earth, And hath weighed in scales the mountains, And the hills in a balance?

And these are measures of the altar by cubits: The cubit is a cubit and a handbreadth, and the centre is a cubit, and a cubit the breadth; and its border on its edge round about is one span, and this is the upper part of the altar.