Apparel Science

Calculating Button Sizes

Button Size

Ligne is a French word, which means, "line" and it is shortened with the letter of L. Button sizes are recognized worldwide with “L”

ligne is a linear unit (1/40 inch) used to measure diameter of buttons

 

How to measure the button

Before calculating button line we should know following measurement:

1 inches = 40 ligne = 2.54 cm,

1 ligne = 0.635 mm

So If the Button length (die) is 15 mm

1 ligne = 0.635 mm

Button die (in mm) / 0.635 = button ligne

15 mm / 0.635 = 23.62 = 24 L        (L = ligne)

 

So if required you could calculate button diameter from button ligne also. 

Button diameter = Button Ligne X 0.635

23.62 (24) X 0.635= 15 mm

 

Button Size Matrix

 

Line                      

Inches

Millimeters

10-line

0.250

6.35mm

14-line 

0.362

9.2mm

16-line

0.413

10.5mm

18-line 

0.457

11.6mm

20-line

0.500

12.7mm

21-line

0.531

13.5mm

22-line

0.559

14.2mm

23-line

0.583

14.8mm

24-line

0.590

15.0mm

27-line

0.661

16.8mm

28-line

0.701

17.8mm

30-line

0.748

19.0mm

32-line

0.807

20.5mm

34-line

0.846

21.5mm

36-line

0.902

22.9mm

40-line

1.000

25.4mm

60-line

1.500

38.1mm

80-line

2.000

50.8mm

100-line

2.500

63.5mm

120-line

3.000

76.2mm

 

 

 

 

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