Home Nike Size Guide Kids Apparel

Nike Kids Size Guide

Clothing Sizes

Please note all measurements are in centimetres.
*Our Plus Size products are more than simply 'extended', they are meticulously proportioned to the needs of the body (Size 1X to 3X).

BABY AND TODDLER CLOTHING                
Age (Months) 0–3 3–6 6–9 9–12 12–18 18–24 24–36 36-48
US Size           2T 3T 4T
Chest 41–43 43–45 45–47 47–48 48–50 50–52 52–53 53-56
Waist 42–45 45–47 47–48 48–50 50–52 52–54 54–54 54-56
Hips 42–45 45–47 47–48 48–50 50–52 52–54 54–56 56-59
Height 60–65 65–70 70–75 75–80 80–85 85–90 90–96 96-104

LITTLE KID'S CLOTHING            
Alpha Size XXS XS S M L XL
Numeric Size 3T 4 5 6 6X/7 7X
Chest   53–56 56–59 59–61 61–63 63–66
Waist   54–56 56–58 58–59 59–60 60–61
Hips   56–59 59–61 61–63 63–66 66–70
Height 90-96 96–104 104–110 110–116 116–122 122–128
Age 2-3 3-4 4-5 5-6 6-7 7-8

OLDER BOY'S CLOTHING          
Alpha Size XS S M L XL
Numeric Size 6-7 8-9 10-12 14-16 18-20
Chest 64.5–66 66–69 69–75 75–81.5 81.5–88.5
Waist 59.5–61.5 61.5–65 65–69 69–72.5 72.5–75.5
Hips 68.5–71 71–74.5 74.5–79.5 79.5–84.5 84.5–89.5
Height 122–128 128–137 137-147 147-158 158-170
Age 6-7 8-9 10-11 12-13 14+

OLDER GIRL'S CLOTHING          
Alpha Size XS S M L XL
Numeric Size 6-7 8-9 10-12 14-16 18-20
Chest 64.5–68 68-73 73-79 79-85.5 85.5-92.5
Waist 59.5–61 61-64 64-68 68-71.5 71.5-74.5
Hips 68.5–73 73–78.5 78.5–83.5 83.5-88.5 88.5-93.5
Height 122–128 128–137 137-146 146-156 156-166
Age 6-7 8-9 10-11 12-13 14+