This chart is still a rough calculation it may vary a bit with fingers or release.
Type of release and anchor point but it usually gets you close.
Measure Finger Tip To Finger Tip Arms Stretched out as far as you can reach
That measurement = Draw Length
83” = 34 Draw
82” = 33.5 Draw
81” = 33 Draw
80” = 32.5 Draw
79” = 32 Draw
78” = 31.5 Draw
77” = 31 Draw
76” = 30.5 Draw
75” = 30 Draw
74” = 29.5 Draw
73” = 29 Draw
72” = 28.5 Draw
71” = 28 Draw
70” = 27.5 Draw
69” = 27 Draw
68” = 26.5 Draw
67” = 26 Draw
66” = 25.5 Draw
65” = 25 Draw
64” = 24.5 Draw
63” = 24 Draw
62” = 23.5 Draw
61” = 23 Draw
60” = 22.5 Draw
59” = 22 Draw
58” = 21.5 Draw
57” = 20 Draw
56” = 19.5 Draw
55” = 19 Draw
54” = 18.5 Draw