Standard CYC measurements for children: sizes and ease for knitting
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Discover the standard measurements for children according to the Craft Yarn Council (CYC). These charts will help you calculate sizes when knitting children's garments, from 2 to 12 years, and apply the appropriate ease so they are comfortable and allow freedom of movement.
Table of contents
How to use these charts
The CYC charts show actual body measurements for boys and girls by age, not finished garment measurements. When designing or choosing a children's pattern, remember to add ease to allow freedom of movement and room for growth. Measurements are given in centimeters.
CYC child size chart (ages 2–12)
Reference body measurements for children's garments, in centimeters. The ranges account for natural variations between children of the same age.
| Age (years) | Chest (cm) | Waist (cm) | Hips (cm) | Center back neck–wrist (cm) | Back waist length (cm) | Armhole depth (cm) | Head circumference (cm) |
|---|---|---|---|---|---|---|---|
| 2 | 53 | 51 | 53 | 51 | 23 | 11.5 | 49.5 |
| 4 | 58.5 | 53.5 | 61 | 56 | 25.5 | 12.5 | 50.5 |
| 6 | 63.5 | 56 | 66 | 61 | 28 | 13.5 | 51 |
| 8 | 68.5 | 58.5 | 71 | 66 | 30.5 | 14.5 | 52 |
| 10 | 73.5 | 61 | 76 | 71 | 33 | 15.5 | 53 |
| 12 | 78.5 | 63.5 | 81 | 76 | 35.5 | 16.5 | 54 |
Source: Craft Yarn Council — Child Size Chart (cm). Approximate body measurements.
Recommended ease
Ease in children's garments is greater than in adults' garments, to facilitate movement and allow the garment to last longer:
| Garment type | Ease (cm) | Notes |
|---|---|---|
| Sweater or lightweight jacket | 4–8 | Everyday comfort and mobility. |
| Sweatshirt or coat | 8–15 | Allows clothing to be worn underneath without feeling tight. |
| Fitted garments (vest, top) | 2–4 | Best with stretchy yarns or stitches with give. |
Always add a few extra centimeters if the child is growing quickly or between sizes.
Fit and growth tips
- Growth: children grow several centimeters a year; knit with additional ease if the garment will be worn for several seasons.
- Mobility: prioritize ease in the sleeves and chest to avoid restricting movement.
- Blocking: cotton may stretch slightly after washing; avoid making garments too tight.
- Age vs. actual measurements: if the child's measurements differ from the average for their age, always choose based on chest circumference.
Frequently asked questions
What size should I choose if the child is between two age ranges?
Choose the larger size and adjust the lengths (body and sleeves) as needed. This will make the garment last longer.
Do CYC measurements also apply to girls?
Yes, CYC charts are unisex through adolescence. You can use them equally for boys or girls.
Should I allow ease if I use a stretchy stitch?
If the stitch or fiber has good stretch, you can reduce the ease slightly (2–4 cm instead of 6–8 cm).
Related articles
- Complete guide: Standard measurements by size (CYC): women, men, children, and babies
- CYC standard measurements for women
- CYC standard measurements for men
- CYC standard measurements for babies
- How much yarn do I need for my size?
- View all yarn balls at Idealium →
Main source: Craft Yarn Council (CYC) — Standard Body Measurements for Children.
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