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Bead Loom Calculator

Turn bead dimensions or an existing grid into a finished size, bead count and warp cutting plan.

choose what you already know
used for targets and warp allowance
millimetres across one column
millimetres along one row
millimetres, excluding clasp and finishing
millimetres, excluding clasp and finishing
millimetres for tying and finishing at each end
percent added to bead and warp totals
Enter the bead and project details to see the loom plan.

The grid uses nominal bead dimensions; make a small sample because bead sizes vary. Each warp strand is the beaded length plus your allowance at both ends. One more warp strand than bead columns is included.