Work out embroidery thread requirement instantly with clear inputs, formula shown and shareable results.
Thread length is stitch count times average stitch length plus a waste allowance for trims and colour changes, converted from millimetres to metres. Machine embroidery uses roughly 60% top thread and 40% bobbin, which is why bobbin thread runs out less often than the colour count suggests.
Thread length
metres = stitches x average stitch length mm x (1 + waste) / 1000
metres = stitches x average stitch length mm x (1 + waste) / 1000. Thread length is stitch count times average stitch length plus a waste allowance for trims and colour changes, converted from millimetres to metres.
Machine embroidery uses roughly 60% top thread and 40% bobbin, which is why bobbin thread runs out less often than the colour count suggests.
Enter stitch count, average stitch length, waste and trims allowance, thread colours. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.