Girls' Costume US Size Chart

Size Height Weight Waist Hips
XS 1/2 30"-34" 20-29lbs 17"-19" 19"-22"
S 3/4 34"-40" 29-38lbs 19"-21" 21"-24"
M 5/6 40"-46" 39-50lbs 21"-23" 24"-28"
L 7/8 46"-53" 50-70lbs 23"-25" 25"-30"

Girls' Costume Size Chart - International

Size Height Weight Waist Hips
XS 1/2 76.2cm-86.4cm 9.1 - 12.7kg 43.2cm - 48.2cm 48.2cm - 55.9cm
S 3/4 86.4cm - 101.6cm 12.7 - 17.2kg 48.2cm - 53.3cm 53.3cm - 61cm
M 5/6 101.6cm - 116.8cm 17.7 - 22.7kg 53.3cm - 58.4cm 61cm - 71.1cm
L 7/8 116.8cm - 134.6cm 22.7 - 31.8kg 58.4cm - 63.5cm 63.5cm - 76.2cm

Boys' Costume US Size Chart

Size Height Weight Waist
S 3/4 34"-42" 29-44lbs 19"-21"
M 5/6 42"-48" 44-55lbs 21"-24"
L 7/8 48"-55" 55-80lbs 24"-27"

Boys' Costume Size Chart - International

Size Height Weight Waist
S 3/4 86.4cm - 106.7cm 212.7 - 20kg 48.2cm - 53.3cm
M 5/6 106.7cm - 121.9cm 20 - 24.9kg 53.3cm - 61cm
L 7/8 121.9cm - 139.7cm 24.9 - 36.3kg 61cm - 68.6cm