Conversions for Body Fat Assessment

APPENDIX 4:
Circumference Measurement
Conversions for Body Fat Assessment
A Inches Constant A Inches Constant A Inches Constant A
20.00 26.74 32.00 42.78 44.00 58.81 56.00 74.85
20.25 27.07 32.25 43.11 44.25 59.14 56.25 75.18
20.50 27.41 32.50 43.45 44.50 59.48 56.50 75.52
20.75 27.74 32.75 43.78 44.75 59.81 56.75 75.85
21.00 28.07 33.00 44.12 45.00 60.15 57.00 76.18
21.25 28.41 33.25 44.45 45.25 60.48 57.25 76.52
21.50 28.74 33.50 44.78 45.50 60.82 57.50 76.85
21.75 29.08 33.75 45.12 45.75 61.15 57.75 77.19
22.00 29.41 34.00 45.45 46.00 61.48 58.00 77.52
22.25 29.74 34.25 45.79 46.25 61.82 58.25 77.85
22.50 30.08 34.50 46.12 46.50 62.15 58.50 78.19
22.75 30.41 34.75 46.46 46.75 62.49 58.75 78.52
23.00 30.75 35.00 46.79 47.00 62.82 59.00 78.86
23.25 31.08 35.25 47.12 47.25 63.15 59.25 79.19
23.50 31.42 35.50 47.46 47.50 63.49 59.50 79.52
23.75 31.75 35.75 47.79 47.75 63.82 59.75 79.86
24.00 32.08 36.00 48.13 48.00 64.16 60.00 80.19
24.25 32.42 36.25 48.46 48.25 64.49
24.50 32.75 36.50 48.80 48.50 64.82
24.75 33.09 36.75 49.13 48.75 65.16
25.00 33.42 37.00 49.46 49.00 65.49
25.25 33.76 37.25 49.80 49.25 65.83
25.50 34.09 37.50 50.13 49.50 66.16
25.75 34.42 37.75 50.47 49.75 66.49
26.00 34.76 38.00 50.80 50.00 66.83
26.25 35.09 38.25 51.13 50.25 67.16
26.50 35.43 38.50 51.47 50.50 67.50
26.75 35.76 38.75 51.80 50.75 67.83
27.00 36.10 39.00 52.14 51.00 68.17
27.25 36.43 39.25 52.47 51.25 68.50
27.50 36.76 39.50 52.81 51.50 68.83
27.75 37.10 39.75 53.14 51.75 69.17
28.00 37.43 40.00 53.47 52.00 69.50
28.25 37.77 40.25 53.80 52.25 69.84
28.50 38.10 40.50 54.13 52.50 70.17
28.75 38.43 40.75 54.47 52.75 70.50
29.00 38.77 41.00 54.80 53.00 70.84
29.25 39.10 41.25 55.14 53.25 71.17
29.50 39.44 41.50 55.47 53.50 71.51
29.75 39.77 41.75 55.80 53.75 71.84
30.00 40.11 42.00 56.14 54.00 72.17
30.25 40.44 42.25 56.47 54.25 72.51
30.50 40.77 42.50 56.81 54.50 72.84
30.75 41.11 42.75 57.14 54.75 73.18
31.00 41.44 43.00 57.47 55.00 73.51
31.25 41.78 43.25 57.81 55.25 73.85
31.50 42.11 43.50 58.14 55.50 74.18
31.75 42.45 43.75 58.48 55.75 74.51
Young Women 17-26 Abdomen
Optimum Performance Training for the Health and Fitness Professional
Inches Constant B Inches Constant B Inches Constant B
14.00 29.13 25.00 52.01 36.00 74.90
14.25 29.65 25.25 52.53 36.25 75.42
14.50 30.17 25.50 53.05 36.50 75.94
14.75 30.69 25.75 53.57 36.75 76.46
15.00 31.21 26.00 54.09 37.00 76.98
15.25 31.73 26.25 54.61 37.25 77.50
15.50 32.25 26.50 55.13 37.50 78.02
15.75 32.77 26.75 55.65 37.75 78.54
16.00 33.29 27.00 56.17 38.00 79.06
16.25 33.81 27.25 56.69 38.25 79.58
16.50 34.33 27.50 57.21 38.50 80.10
16.75 34.85 27.75 57.73 38.75 80.62
17.00 35.37 28.00 58.26 39.00 81.14
17.25 35.89 28.25 58.78 39.25 81.66
17.50 36.41 28.50 59.30 39.50 82.18
17.75 36.93 28.75 59.82 39.75 82.70
18.00 37.45 29.00 60.34 40.00 83.22
18.25 37.97 29.25 60.86
18.50 38.49 29.50 61.38
18.75 39.01 29.75 61.90
19.00 39.53 30.00 62.42
19.25 40.05 30.25 62.94
19.50 40.57 30.50 63.46
19.75 41.09 30.75 63.98
20.00 41.61 31.00 64.50
20.25 42.13 31.25 65.02
20.50 42.65 31.50 65.54
20.75 43.17 31.75 66.06
21.00 43.69 32.00 66.58
21.25 44.21 32.25 67.10
21.50 44.73 32.50 67.62
21.75 45.25 32.75 68.14
22.00 45.77 33.00 68.66
22.25 46.29 33.25 69.18
22.50 46.81 33.50 69.70
22.75 47.33 33.75 70.22
23.00 47.85 34.00 70.74
23.25 48.37 34.25 71.26
23.50 48.89 34.50 71.78
23.75 49.41 34.75 72.30
24.00 49.93 35.00 72.82
24.25 50.45 35.25 73.34
24.50 50.97 35.50 73.86
24.75 51.49 35.75 74.38
Young Women 17-26 Thigh
Inches Constant C Inches Constant C
6.00 25.86 17.00 73.28
6.25 26.94 17.25 74.36
6.50 28.02 17.50 75.43
6.75 29.10 17.75 76.51
7.00 30.17 18.00 77.59
7.25 31.25 18.25 78.67
7.50 32.33 18.50 79.74
7.75 33.41 18.75 80.82
8.00 34.48 19.00 81.90
8.25 35.56 19.25 82.98
8.50 36.64 19.50 84.05
8.75 37.72 19.75 85.13
9.00 38.79 20.00 86.21
9.25 39.87 20.25 87.29
9.50 40.95 20.50 88.37
9.75 42.03 20.75 89.45
10.00 43.10 21.00 90.53
10.25 44.18 21.25 91.61
10.50 45.26 21.50 92.69
10.75 46.34 21.75 93.77
11.00 47.41 22.00 94.85
11.25 48.49 22.25 95.93
11.50 49.57 22.50 97.01
11.75 50.65 22.75 98.09
12.00 51.73 23.00 99.17
12.25 52.80 23.25 100.25
12.50 53.88 23.50 101.33
12.75 54.96 23.75 102.41
13.00 56.04 24.00 103.49
13.25 57.11 24.25 104.57
13.50 58.19 24.50 105.65
13.75 59.27 24.75 106.73
14.00 60.35 25.00 107.81
14.25 61.42
14.50 62.50
14.75 63.58
15.00 64.66
15.25 65.73
15.50 66.81
15.75 67.89
16.00 68.97
16.25 70.04
16.50 71.12
16.75 72.20
Note: A + Constant B – Constant C – 19.6.
For , the is 22.6.
Young Women 17-26 Forearm
Optimum Performance Training for the Health and Fitness Professional
Inches Constant A Inches Constant A Inches Constant A
25.00 29.69 37.00 43.94 49.00 58.18
25.25 29.98 37.25 44.23 49.25 58.48
25.50 30.28 37.50 44.53 49.50 58.78
25.75 30.58 37.75 44.83 49.75 59.07
26.00 30.87 38.00 45.12 50.00 59.37
26.25 31.17 38.25 45.42 50.25 59.67
26.50 31.47 38.50 45.72 50.50 59.96
26.75 31.76 38.75 46.01 50.75 60.26
27.00 32.06 39.00 46.31 51.00 60.56
27.25 32.36 39.25 46.61 51.25 60.86
27.50 32.65 39.50 46.90 51.50 61.15
27.75 32.95 39.75 47.20 51.75 61.45
28.00 33.25 40.00 47.50 52.00 61.75
28.25 33.55 40.25 47.79 52.25 62.04
28.50 33.84 40.50 48.09 52.50 62.34
28.75 34.14 40.75 48.39 52.75 62.64
29.00 34.44 41.00 48.69 53.00 62.93
29.25 34.73 41.25 48.98 53.25 63.23
29.50 35.03 41.50 49.28 53.50 63.53
29.75 35.33 41.75 49.58 53.75 63.82
30.00 35.62 42.00 49.87 54.00 64.12
30.25 35.92 42.25 50.17 54.25 64.42
30.50 36.22 42.50 50.47 54.50 64.71
30.75 36.51 42.75 50.76 54.75 65.01
31.00 36.81 43.00 51.06 55.00 65.31
31.25 37.11 43.25 51.36 55.25 65.60
31.50 37.40 43.50 51.65 55.50 65.90
31.75 37.70 43.75 51.95 55.75 66.20
32.00 38.00 44.00 52.25 56.00 66.49
32.25 38.30 44.25 52.54 56.25 66.79
32.50 38.59 44.50 52.84 56.50 67.09
32.75 38.89 44.75 53.14 56.75 67.38
33.00 39.19 45.00 53.44 57.00 67.68
33.25 39.48 45.25 53.73 57.25 67.98
33.50 39.78 45.50 54.03 57.50 68.28
33.75 40.08 45.75 54.33 57.75 68.57
34.00 40.37 46.00 54.62 58.00 68.87
34.25 40.67 46.25 54.92 58.25 69.17
34.50 40.97 46.50 55.22 58.50 69.46
34.75 41.26 46.75 55.51 58.75 69.76
35.00 41.56 47.00 55.81 59.00 70.06
35.25 41.86 47.25 56.11 59.25 70.35
35.50 42.15 47.50 56.40 59.50 70.65
35.75 42.45 47.75 56.70 59.75 70.95
36.00 42.75 48.00 57.00 60.00 71.24
36.25 43.05 48.25 57.29
36.50 43.34 48.50 57.59
36.75 43.64 48.75 57.89
Older Women 27-50 Abdomen
Inches Constant B Inches Constant B Inches Constant B
14.00 17.31 26.00 32.15 38.00 46.98
14.25 17.62 26.25 32.46 38.25 47.29
14.50 17.93 26.50 32.77 38.50 47.60
14.75 18.24 26.75 33.08 38.75 47.91
15.00 18.55 27.00 33.38 39.00 48.22
15.25 18.86 27.25 33.69 39.25 48.53
15.50 19.17 27.50 34.00 39.50 48.84
15.75 19.47 27.75 34.31 39.75 49.15
16.00 19.78 28.00 34.62 40.00 49.46
16.25 20.09 28.25 34.93
16.50 20.40 28.50 35.24
16.75 20.71 28.75 35.55
17.00 21.02 29.00 35.86
17.25 21.33 29.25 36.17
17.50 21.64 29.50 36.48
17.75 21.95 29.75 36.79
18.00 22.26 30.00 37.09
18.25 22.57 30.25 37.40
18.50 22.87 30.50 37.71
18.75 23.18 30.75 38.02
19.00 23.49 31.00 38.33
19.25 23.80 31.25 38.64
19.50 24.11 31.50 38.95
19.75 24.42 31.75 39.26
20.00 24.73 32.00 39.57
20.25 25.04 32.25 39.88
20.50 25.35 32.50 40.19
20.75 25.66 32.75 40.49
21.00 25.97 33.00 40.80
21.25 26.28 33.25 41.11
21.50 26.58 33.50 41.42
21.75 26.89 33.75 41.73
22.00 27.20 34.00 42.04
22.25 27.51 34.25 42.35
22.50 27.82 34.50 42.66
22.75 28.13 34.75 42.97
23.00 28.44 35.00 43.28
23.25 28.75 35.25 43.58
23.50 29.06 35.50 43.89
23.75 29.37 35.75 44.20
24.00 29.68 36.00 44.51
24.25 29.98 36.25 44.82
24.50 30.29 36.50 45.13
24.75 30.60 36.75 45.44
25.00 30.91 37.00 45.75
25.25 31.22 37.25 46.06
25.50 31.53 37.50 46.37
25.75 31.84 37.75 46.68
Older Women 27-50 Thigh
Optimum Performance Training for the Health and Fitness Professional
Inches Constant C Inches Constant C
10.00 14.46 22.00 31.81
10.25 14.82 22.25 32.17
10.50 15.18 22.50 32.54
10.75 15.54 22.75 32.90
11.00 15.91 23.00 33.26
11.25 16.27 23.25 33.62
11.50 16.63 23.50 33.98
11.75 16.99 23.75 34.34
12.00 17.35 24.00 34.70
12.25 17.71 24.25 35.07
12.50 18.08 24.50 35.43
12.75 18.44 24.75 35.79
13.00 18.80 25.00 36.15
13.25 19.16 25.25 36.51
13.50 19.52 25.50 36.87
13.75 19.88 25.75 37.23
14.00 20.24 26.00 37.59
14.25 20.61 26.25 37.95
14.50 20.97 26.50 38.31
14.75 21.33 26.75 38.67
15.00 21.69 27.00 39.03
15.25 22.05 27.25 39.39
15.50 22.41 27.50 39.75
15.75 22.77 27.75 40.11
16.00 23.14 28.00 40.47
16.25 23.50 28.25 40.83
16.50 23.86 28.50 41.19
16.75 24.22 28.75 41.55
17.00 24.58 29.00 41.91
17.25 24.94 29.25 42.27
17.50 25.31 29.50 42.63
17.75 25.67 29.75 42.99
18.00 26.03 30.00 43.35
18.25 26.39
18.50 26.75
18.75 27.11
19.00 27.47
19.25 27.84
19.50 28.20
19.75 28.56
20.00 28.92
20.25 29.28
20.50 29.64
20.75 30.00
21.00 30.37
21.25 30.73
21.50 31.09
21.75 31.45
Note: Percent fat = Constant A + Constant B – Constant C – 18.4.
For athletic people, the age correction is 21.4.
Older Women 27-50 Calf
Inches Constant A Inches Constant A
10.00 37.01 22.00 81.42
10.25 37.94 22.25 82.34
10.50 38.86 22.50 83.26
10.75 39.79 22.75 84.18
11.00 40.71 23.00 85.10
11.25 41.64 23.25 86.03
11.50 42.56 23.50 86.95
11.75 43.49 23.75 87.88
12.00 44.41 24.00 88.81
12.25 45.34 24.25 89.73
12.50 46.26 24.50 90.66
12.75 47.19 24.75 91.58
13.00 48.11 25.00 92.51
13.25 49.04 25.25 93.43
13.50 49.96 25.50 94.36
13.75 50.89 25.75 95.28
14.00 51.82 26.00 96.21
14.25 52.74 26.25 97.13
14.50 53.67 26.50 98.06
14.75 54.59 26.75 98.98
15.00 55.52 27.00 99.91
15.25 56.44 27.25 100.83
15.50 57.37 27.50 101.76
15.75 58.29 27.75 102.68
16.00 59.22 28.00 103.61
16.25 60.14 28.25 104.54
16.50 61.07 28.50 105.46
16.75 61.99 28.75 106.39
17.00 62.97 29.00 107.31
17.25 63.84 29.25 108.24
17.50 64.77 29.50 109.16
17.75 65.69 29.75 110.09
18.00 66.62 30.00 111.01
18.25 67.54
18.50 68.47
18.75 69.40
19.00 70.32
19.25 71.25
19.50 72.17
19.75 73.10
20.00 74.02
20.25 74.95
20.50 75.87
20.75 76.80
21.00 77.72
21.25 78.65
21.50 79.57
21.75 80.50
Young Men 17-26 Upper Arm
Optimum Performance Training for the Health and Fitness Professional
Inches Constant B Inches Constant B Inches Constant B
28.00 36.74 40.00 52.49 52.00 68.22
28.25 37.07 40.25 52.82 52.25 68.55
28.50 37.40 40.50 53.14 52.50 68.88
28.75 37.73 40.75 53.47 52.75 69.20
29.00 38.05 41.00 53.80 53.00 69.53
29.25 38.38 41.25 54.13 53.25 69.86
29.50 38.71 41.50 54.46 53.50 70.19
29.75 39.04 41.75 54.78 53.75 70.52
30.00 39.37 42.00 55.11 54.00 70.84
30.25 39.69 42.25 55.43 54.25 71.17
30.50 40.02 42.50 55.76 54.50 71.50
30.75 40.35 42.75 56.09 54.75 71.83
31.00 40.68 43.00 56.42 55.00 72.16
31.25 41.01 43.25 56.74 55.25 72.48
31.50 41.33 43.50 57.07 55.50 72.81
31.75 41.66 43.75 57.40 55.75 73.14
32.00 41.99 44.00 57.73 56.00 73.47
32.25 42.32 44.25 58.06 56.25 73.80
32.50 42.65 44.50 58.38 56.50 74.12
32.75 42.97 44.75 58.71 56.75 74.45
33.00 43.30 45.00 59.04 57.00 74.78
33.25 43.63 45.25 59.37 57.25 75.11
33.50 43.96 45.50 59.70 57.50 75.43
33.75 44.29 45.75 60.02 57.75 75.76
34.00 44.61 46.00 60.35 58.00 76.09
34.25 44.94 46.25 60.68 58.25 76.42
34.50 45.27 46.50 61.01 58.50 76.75
34.75 45.60 46.75 61.34 58.75 77.07
35.00 45.93 47.00 61.66 59.00 77.40
35.25 46.25 47.25 61.99 59.25 77.73
35.50 46.58 47.50 62.32 59.50 78.06
35.75 46.91 47.75 62.65 59.75 78.39
36.00 47.24 48.00 62.97 60.00 78.71
36.25 47.57 48.25 63.30
36.50 47.89 48.50 63.63
36.75 48.22 48.75 63.96
37.00 48.55 49.00 64.29
37.25 48.88 49.25 64.61
37.50 49.21 49.50 64.94
37.75 49.54 49.75 65.27
38.00 49.86 50.00 65.60
38.25 50.19 50.25 65.93
38.50 50.52 50.50 66.25
38.75 50.85 50.75 66.58
39.00 51.18 51.00 66.91
39.25 51.50 51.25 67.24
39.50 51.83 51.50 67.57
39.75 52.16 51.75 67.89
Young Men 17-26 Abdomen
Inches Constant C Inches Constant C
10.00 54.30 22.00 119.45
10.25 55.65 22.25 120.80
10.50 57.01 22.50 122.15
10.75 58.37 22.75 123.50
11.00 59.73 23.00 124.85
11.25 61.08 23.25 126.21
11.50 62.44 23.50 127.57
11.75 63.80 23.75 128.92
12.00 65.16 24.00 130.28
12.25 66.51 24.25 131.64
12.50 67.87 24.50 133.00
12.75 69.23 24.75 134.35
13.00 70.59 25.00 135.71
13.25 71.94
13.50 73.30
13.75 74.66
14.00 76.02
14.25 77.37
14.50 78.73
14.75 80.09
15.00 81.45
15.25 82.80
15.50 84.16
15.75 85.52
16.00 86.88
16.25 88.23
16.50 89.59
16.75 90.95
17.00 92.31
17.25 93.66
17.50 95.02
17.75 96.38
18.00 97.74
18.25 99.09
18.50 100.45
18.75 101.81
19.00 103.17
19.25 104.52
19.50 105.88
19.75 107.24
20.00 108.60
20.25 109.95
20.50 111.31
20.75 112.67
21.00 114.02
21.25 115.38
21.50 116.74
21.75 118.10
Note: Percent fat = Constant A + Constant B – Constant C – 10.2.
For athletic people, the age correction is 14.2.
Young Men 17-26 Forearm
Optimum Performance Training for the Health and Fitness Professional
Inches Constant A Inches Constant A Inches Constant A
35.00 36.68 47.00 49.26 59.00 61.83
35.25 36.94 47.25 49.52 59.25 62.09
35.50 37.20 47.50 49.78 59.50 62.35
35.75 37.46 47.75 50.04 59.75 62.61
36.00 37.73 48.00 50.30 60.00 62.87
36.25 37.99 48.25 50.56
36.50 38.25 48.50 50.83
36.75 38.51 48.75 51.09
37.00 38.78 49.00 51.35
37.25 39.04 49.25 51.61
37.50 39.30 49.50 51.87
37.75 39.56 49.75 52.13
38.00 39.82 50.00 52.39
38.25 40.08 50.25 52.66
38.50 40.35 50.50 52.92
38.75 40.61 50.75 53.18
39.00 40.87 51.00 53.44
39.25 41.13 51.25 53.70
39.50 41.39 51.50 53.97
39.75 41.66 51.75 54.23
40.00 41.92 52.00 54.49
40.25 42.18 52.25 54.75
40.50 42.44 52.50 55.01
40.75 42.70 52.75 55.28
41.00 42.97 53.00 55.54
41.25 43.23 53.25 55.80
41.50 43.49 53.50 56.06
41.75 43.75 53.75 56.32
42.00 44.02 54.00 56.59
42.25 44.28 54.25 56.85
42.50 44.54 54.50 57.11
42.75 44.80 54.75 57.37
43.00 45.06 55.00 57.63
43.25 45.32 55.25 57.90
43.50 45.59 55.50 58.16
43.75 45.85 55.75 58.42
44.00 46.12 56.00 58.68
44.25 46.37 56.25 58.94
44.50 46.64 56.50 59.21
44.75 46.89 56.75 59.47
45.00 47.16 57.00 59.73
45.25 47.42 57.25 59.99
45.50 47.68 57.50 60.25
45.75 47.94 57.75 60.52
46.00 48.21 58.00 60.78
46.25 48.47 58.25 61.04
46.50 48.73 58.50 61.30
46.75 48.99 58.75 61.56
Older Men 27-50 Buttocks
Inches Constant B Inches Constant B Inches Constant B
32.00 28.66 44.00 39.41 56.00 50.15
32.25 28.88 44.25 39.63 56.25 50.37
32.50 29.11 44.50 39.85 56.50 50.59
32.75 29.33 44.75 40.08 56.75 50.82
33.00 29.55 45.00 40.30 57.00 51.04
33.25 29.78 45.25 40.52 57.25 51.26
33.50 30.00 45.50 40.74 57.50 51.49
33.75 30.22 45.75 40.97 57.75 51.71
34.00 30.45 46.00 41.19 58.00 51.94
34.25 30.67 46.25 41.41 58.25 52.16
34.50 30.89 46.50 41.64 58.50 52.38
34.75 31.12 46.75 41.86 58.75 52.60
35.00 31.35 47.00 42.09 59.00 52.83
35.25 31.57 47.25 42.31 59.25 53.05
35.50 31.79 47.50 42.54 59.50 53.28
35.75 32.02 47.75 42.76 59.75 53.50
36.00 32.24 48.00 42.98 60.00 53.72
36.25 32.46 48.25 43.21
36.50 32.69 48.50 43.43
36.75 32.91 48.75 43.66
37.00 33.14 49.00 43.88
37.25 33.36 49.25 44.10
37.50 33.58 49.50 44.33
37.75 33.81 49.75 44.55
38.00 34.03 50.00 44.77
38.25 34.26 50.25 45.00
38.50 34.48 50.50 45.22
38.75 34.70 50.75 45.45
39.00 34.93 51.00 45.67
39.25 35.15 51.25 45.89
39.50 35.38 51.50 46.12
39.75 35.59 51.75 46.34
40.00 35.82 52.00 46.56
40.25 36.05 52.25 46.79
40.50 36.27 52.50 47.01
40.75 36.49 52.75 47.24
41.00 36.72 53.00 47.46
41.25 36.94 53.25 47.68
41.50 37.17 53.50 47.91
41.75 37.39 53.75 48.13
42.00 37.62 54.00 48.35
42.25 37.87 54.25 48.58
42.50 38.06 54.50 48.80
42.75 38.28 54.75 49.03
43.00 38.51 55.00 49.25
43.25 38.73 55.25 49.47
43.50 38.96 55.50 49.70
43.75 39.18 55.75 49.92
Older Men 27-50 Abdomen
Optimum Performance Training for the Health and Fitness Professional
Inches Constant C Inches Constant C
8.00 24.02 19.00 57.03
8.25 24.76 19.25 57.78
8.50 25.52 19.50 58.53
8.75 26.26 19.75 59.28
9.00 27.02 20.00 60.03
9.25 27.76 20.25 60.78
9.50 28.52 20.50 61.53
9.75 29.26 20.75 62.28
10.00 30.02 21.00 63.03
10.25 30.76 21.25 63.78
10.50 31.52 21.50 64.53
10.75 32.27 21.75 65.28
11.00 33.02 22.00 66.03
11.25 33.77 22.25 66.78
11.50 34.52 22.50 67.53
11.75 35.27 22.75 68.28
12.00 36.02 23.00 69.03
12.25 36.77 23.25 69.78
12.50 37.53 23.50 70.52
12.75 38.27 23.75 71.27
13.00 39.03 24.00 72.02
13.25 39.77 24.25 72.77
13.50 40.53 24.50 73.52
13.75 41.27 24.75 74.27
14.00 42.03 25.00 75.02
14.25 42.77
14.50 43.53
14.75 44.27
15.00 45.03
15.25 45.77
15.50 46.53
15.75 47.28
16.00 48.03
16.25 48.78
16.50 49.53
16.75 50.28
17.00 51.03
17.25 51.78
17.50 52.54
17.75 53.28
18.00 54.04
18.25 54.78
18.50 55.53
18.75 56.28
Note: Percent fat = Constant A + Constant B – Constant C – 15.0.
For athletic people, the age correction is 19.0.
Older Men 27-50 Forearm