In a scale constituted by a plurality of scale lines, to provide such a scale capable of easily reading scale values. In a scale main body having a predetermined size and a plurality of scale lines formed thereon, temporary numbers are put one by one from 0 in an ascending order on the respective scale lines formed at each scale value interval desirably determined, with the scale line defined as 0 in the scale value being set as a starting point, and display methods between the scale line with the numeral 2, 3, 7 or 8 set at the lowermost position of the temporary number and the scale line with the numeral 1, 4, 6 or 9 set at the lowermost position of the temporary number are made different.