Tension (kg <> lbs)

kg	lbs
18	39.7
18.5	40.8
19	41.9
19.5	43.0
20	44.1
20.5	45.2
21	46.3
21.5	47.4
22	48.5
22.5	49.6
23	50.7
23.5	51.8
24	52.9
24.5	54.0
25	55.1
25.5	56.2
26	57.3
26.5	58.4
27	59.5
27.5	60.6
28	61.7

lbs	kg
40	18.1
41	18.6
42	19.1
43	19.5
44	20.0
45	20.4
46	20.9
47	21.3
48	21.8
49	22.2
50	22.7
51	23.1
52	23.6
53	24.0
54	24.5
55	24.9
56	25.4
57	25.9
58	26.3
59	26.8
60	27.2