Ligne Chart

A button's ligne, refers to a button's size. The word ligne, is a French word that became the standard reference used by German button manufacturers in the early eighteenth century. Ligne is the internationally recognized standard. Consensus at the time was that a "ligne" measured the inside diameter of a "round wick folded flat." One inch is equal to 40 English ligne, 11 French ligne, and 25.5 mm.


Ligne mm   Ligne mm   Ligne mm
12 7.62   30 19.05   54 34.29
14 8.89   32 20.32   56 35.56
15 9.53   34 21.59   58 36.83
16 10.16   36 22.86   60 38.10
17 10.80   38 24.13   62 39.37
18 11.43   40 25.40   66 41.91
19 12.07   42 26.67   70 44.45
20 12.70   44 27.94   76 48.26
22 13.97   46 29.21   80 50.80
24 15.24   48 30.48   90 57.15
26 16.51 50 31.75 94 59.69
28 17.78 52 33.02 100 63.50