fishing lines conversion table

0.05 == 10 oz
0.06 == 12 oz
0.07 == 1 lb
0.08 == 1lb 12 oz
0.09 == 2lb 2oz
0.10 == 2lb 10oz
0.11 == 3lb 6oz
0.13 == 4lb 12oz
0.15 == 5lb 14oz
0.17 == 6lb 12 oz
0.19 == 7lb 6oz
0.21 == 8lb 15 oz

species guide
0.05 to 0.08 = bleak, gudgeon , perch, roach, skimmers
0.08 to 0.13 = small carp, small chub, roach, bream
0.13 to 0.17 = medium carp, tench, bream, chub, medium barbel
0.17 to 0.21 = big carp, large tench, chub, barbel

i was so confused by the different strengths i thought i would share these with you
i hope this helps

good luck