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# door & phone prediction
length between top of the head and top of the door = 198px
phone height = 119px
average door height = 80in = 203.2cm
phone height = looks pretty big, something like 6.8in
which mean that
length between the head and the top of the door = 28.74cm
girl height = door height - head to door length = 174.46cm
# body ratio prediction
average female body-to-head = 8.25
head measure = 140px
cm per px = phone height (cm) / phone height (px) = 0.145
which mean that
head = 20.32cm
girl height = 167.64cm
# result
mean result = 171cm
You can remove 1cm because of the shoes so 170cm
Therefore, my very rigorous analysis indicates a height of 170cm or around 66.9in
