here's some arm/wrist facts i dug up
https://calculator.academy/max-arm-size-calculator/according to this calc my max arm size is 16.25
Percentile Men Women
5th 11.9 inches (30.3 cm) 10.5 inches (26.8 cm)
10th 12.6 inches (31.9 cm) 11.1 inches (28.1 cm)
15th 12.9 inches (32.8 cm) 11.4 inches (28.9 cm)
25th 13.4 inches (34.1 cm) 12 inches (30.6 cm)
50th 14.6 inches (37.1cm) 13.4 inches (34.1 cm)
75th 16 inches (40.7cm) 15.2 inches (38.5 cm)
85th 16.9 inches (42.9 cm) 16.2 inches (41.2 cm)
90th 17.4 inches (44.2 cm) 17.2 inches (43.7 cm)
95th 18.4 inches (46.7 cm) 18.2 inches (46.1 cm)
i'm in the top 20% here and most of you dudes are measuring fat arms ie. your bodyfat is 12%+ get down to sub-6 then we can talk
For men, a wrist size of 5 1/2 to 6 1/2 inches indicates a small frame
https://www.interviewarea.com/q-and-a/does-wrist-size-determine-arm-sizeCalculate Ideal Body Size
Measurement Unit
Inches
Wrist Size
6.25
Calculation Results:
Chest Size: 40.62 in.Waist Size: 28.44 in.
Hip Size: 34.53 in.upper arm: 14.62 in.
Forearm Size: 11.78 in.Thigh Size: 21.53 in.
Calve Size: 13.81 in.Neck Size: 15.03 in.
https://www.etoolsage.com/Calculator/Ideal_Body_Size_Calculator.asp?MeasUnit=in.&Wrist=6.25according to this site my ideal arm size is 14.62 inches