1%
2%
5%
10%
20%
50% Avg.
80%
90%
95%
98%
99%
mm
Measurement
mm
1 - Head length
(Ophistokranion - Glabella)
Percentile
50%
50%
mm
Measurement
mm
2 - Head width
(Tragus - Tragus)
Percentile
50%
50%
mm
Measurement
mm
3 - Face width
(Etrokanthia - Etrokanthia)
Percentile
50%
50%
mm
Measurement
mm
4 - Ear height
(horizontally measured)
Percentile
50%
50%
mm
Measurement
mm
5 - Vertical ear position
Percentile
50%
50%
mm
Measurement
mm
6 - Horizontal ear position
Percentile
50%
50%
mm
Measurement
mm
7 - Head circumference
Percentile
50%
50%
mm
Measurement
mm
8 - Arc length over headlength
Percentile
50%
50%
mm
Measurement
mm
9 - Arc length over headwidth
Percentile
50%
50%