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Baby Size Chart Icon

Baby Size Chart

Find the ideal size for your little ones with our knit and crochet size standards chart, covering ages 3-24 months.

Baby Size Standards Diagram
*
Description
1
Head
Circumference of head
2
Neck
Circumference of neck
3
Chest
Fullest part of the chest circumference
4
Waist
Narrowest part of the torso circumference (approximately 1"{2.5cm above the navel} Narrowest part of the torso circumference (approximately 1"{2.5cm above the navel}
5
Hip
Hip circumference at the fullest part of the buttocks.
6
Armscye
Shoulder to underarm circumference
7
Upper Arm
Bicep circumference
8
Wrist
Circumference of the wrist
9
Center-back waist
Base of neck to waist along the spine length
10
Arm Hole Depth
Top of shoulder to underarm depth
11
Waist to hip (hip depth)
Waist to fullest part of the lower torso length
12
Cross back (shoulder-shoulder)
Shoulder bone to shoulder bone width at the back
13
Nape Length
Center-back spine to shoulder to wrist along the outside of the arm
14
Arm Length (to underarm)
Underarm to wrist on the inside of the arm length
15
Arm length from shoulder
Shoulder to wrist on the outside of the arm length
3 M
6 M
12 M
18 M
24 M
1
Head
16.5
17.5
18
18.5
19
2
Neck
8.5
9
9.25
9.5
9.75
3
Chest
16
17
18
19
20
4
Waist
18
19
20
20.5
21
5
Hip
19
20
20
21
22
6
Armscye
6.25
6.5
7.5
7.75
8.25
7
Upper Arm
5.5
6
6.5
7
7.5
8
Wrist
4.25
4.5
4.5
4.5
4.5
9
Center-back waist
6
7
7.5
8
8.5
10
Arm Hole Depth
3.25
3.5
3.75
4
4.25
11
Waist to hip (hip depth)
2.25
2.75
3
3.25
3.25
12
Cross back (shoulder-shoulder)
7.25
7.75
8.25
8.5
8.75
13
Nape Length
10.5
11.5
12.5
14
18
14
Arm Length (to underarm)
6
6.5
7.5
8
8.5
15
Arm length from shoulder
7.3
8.1
9.1
9.8
10.6
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