< 7in

(< 17.8cm)

7 - 8in

(17.8 - 20.3cm)

8 - 9in

(20.3 - 22.9cm)

9 - 9.75in

(22.9 - 24.8cm)

9.75 - 10.5in

(24.8 - 26.7cm)

10.5in +

(26.7cm +)

< 6.8in

(< 17.4cm)

6.8 - 7in

(17.5 - 18.0cm)

7 - 7.4in

(18.1 - 18.8cm)

7.4 - 7.8in

(18.9 - 19.9cm)

7.8 - 8.3in

(20.0 - 21.0cm)

8.3in +

(21.1cm +)

6.5 - 7.25in

(16.5 - 18.4cm)

7.25 - 8in

(18.4 - 20.3cm)

8 - 8.75in

(20.3 - 22.2cm)

6 - 6.3in

(15.3 - 16.0cm)

6.3 - 6.7in

(16.1 - 16.9cm)

6.7 - 7in

(17.0 - 17.7cm)

< 5.6in

(< 14.2cm)

5.6 - 6in

(14.2 - 15.2cm)

6 - 6.4in

(15.2 - 16.2cm)

6.4in +

(162cm +)

< 6.1in

(< 15.5cm)

6.1 - 6.3in

(15.5 - 16.0cm)

6.3 - 6.5in

(16.0 - 16.5cm)

6.5in +

(16.5cm +)