Stitch Length

Also Known As: Step, Hole Spacing, Stitch Density, Stitch Spacing, Stitches Per Inch, SPI

measurement of the lengths of stitches, or the length between stitching holes, for a stitch line with consistent spacing

Small stitches do their job. Big stitches earn your bread.

diagram showing 4 stitches per inch with measurements
Stitches Per Inch Distance Between Hole Centers
Decimal Inch Fractional Inch Millimeters
1 0.5 1 / 2 12.7
2 0.3 1 / 3 8.46
3 0.25 1 / 4 6.35
4 0.2 1 / 5 5.08
0.196850393700787 5
5 0.16 1 / 6 4.23
0.15748031496063 4
3.8
6 0.142857142857143 1 / 7 3.62857142857143
3.38
7 0.125 1 / 8 3.175
0.118110236220472 3
8 0.1 1 / 9 2.82
2.7
9 0.1 1 / 10 2.54
10 0.09 1 / 11 2.309
11 0.083 1 / 12 2.116
0.078740157480315 2
12 0.0769230769230769 1 / 13 1.95384615384615
13 0.0714285714285714 1 / 14 1.81428571428571
14 0.06 1 / 15 1.693

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