Stitch Spacing Calculator

Work out stitch count, holes per inch and the pricking iron to use for a seam of a given length and spacing.

Seam length mm

The length of the seam to be stitched, along the edge.

Pricking iron spacing

The spacing between the tines, in millimetres. Four is the most common compromise.

Number of seams

How many separate seams this length applies to, for the total counts.

Tines on your iron

Two, four, six and ten tine irons are the common ones. Ten marks the most holes per strike.

Seconds to sew one stitch s

A steady saddle stitch is about ten to fifteen seconds. It is faster for a short seam and slower on thick leather.

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Free calculator by Handcraft worked examples and methodology No account, nothing stored.