(1)
1 cN/d = 0.9 cN/dtex
1cN/dtex = 1.1111 cN/d
(2)
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
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