Estimated Knob Resistance Levels

Knob Level
Pounds
Kilograms
1 6.5 3
2 8 3.6
3 9 4.1
4 10 4.5
5 11 5
6 12 5.5
7 14 6.4
8 17 7.7
9 20 9.1
10 24 10
11 28 12.7
12 33 15
13 38 17.3
14 44 20
15 52 23.6
16 60 27.3
17 68 30.9
18 78 35.5
19 88 40
20 100 45.5
21 112 50.9
22 124 56.4
23 137 62.3
24 148 67.3
25 158 71.8