1牛頓(N) = 0.102千克力(kgf)         1千克力(kgf)=9.81N

1N = 100cN = 0.102x1000 gf = 102g     1g = 0.0098N = 0.098cN    

1cN = 1.02g  (1g = 0.98cN)

1tex=9d   1dtex=0.9d   1d=1/9=0.1111tex    1d=1/9 *10=1.1111 dtex

1g/d = 0.98cN/d = 0.98 x 0.9 cN/dtex = 0.882 cN/dtex

ð  1cN/dtex = 1.1337g/d

1cN/dtex = 1/0.98 g/dtex = 1.02 g/dtex  

=1.02 /0.9 g/d = 1.1337 g/d

範例：長棉絨3.23~3.92cN/dtex = 3.23*1.1337~3.92*1.1337 = 3.66~4.44 g/d

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1 g/d = 0.088 N/tex