Primigi Size Charts
Complete sizing guide for Primigi with measurements, fit tips, and global conversions
Primigi offers sizing across boys, girls, shoes. Use the tabs to filter by category, or scroll to see all available charts with measurements and conversions.
Fit Summary
Primigi offers reliable sizing across their kids' collections. Use age and height as primary guides, then check chest and waist measurements for best fit.
Last updated: Q3 2026 · Reviewed quarterly by JC, SizeHub editor
Kids' Sizing
Clothing — Babies & Toddlers (0–3 Years)
| Size | Age | Height (in) | Weight (lbs) |
|---|---|---|---|
| NB | 0 mo | up to 21.5 | 5-8 |
| 0-3M | 0-3 mo | 21.5-24 | 8-12 |
| 3-6M | 3-6 mo | 24-26.5 | 12-16 |
| 6-9M | 6-9 mo | 26.5-28.5 | 16-20 |
| 12M | 9-12 mo | 28.5-30 | 20-24 |
| 18M | 12-18 mo | 30-32 | 24-28 |
| 24M | 18-24 mo | 32-33.5 | 28-30 |
Clothing — Children (4–7 Years)
| Size | Age | Height (in) | Chest (in) | Waist (in) |
|---|---|---|---|---|
| 3T | 3 | 36-38.5 | 20-20.5 | 20-20.5 |
| 4T | 4 | 38.5-41 | 21-21.5 | 20.5-21 |
| 5 | 5 | 41-44 | 22-22.5 | 21-21.5 |
| 6 | 6 | 44-46.5 | 23-23.5 | 22-22.5 |
| 6X/7 | 6-7 | 46.5-50 | 24-25 | 22.5-23 |
Clothing — Youth & Teens (8–16 Years)
| Size | Age | Height (in) | Chest (in) | Waist (in) |
|---|---|---|---|---|
| S (8) | 7-8 | 50-53 | 26-27 | 23-24 |
| M (10-12) | 9-10 | 53-58 | 28-30 | 24-26 |
| L (14-16) | 11-13 | 58-64 | 31-33 | 26-28 |
| XL (18-20) | 14-16 | 64-68 | 34-36 | 29-31 |
Shoes — Babies & Toddlers (0–3 Years)
| US | UK | EU | CM | Age |
|---|---|---|---|---|
| 1C | 0.5 | 16 | 8.3 | 0-3 mo |
| 2C | 1 | 17 | 9.1 | 3-6 mo |
| 3C | 2 | 18 | 10 | 6-9 mo |
| 4C | 3 | 19 | 10.8 | 9-12 mo |
| 5C | 4 | 20 | 11.6 | 12-18 mo |
| 6C | 5 | 22 | 12.5 | 18-24 mo |
Shoes — Children (4–7 Years)
| US | UK | EU | CM | Age |
|---|---|---|---|---|
| 8C | 7 | 25 | 14.1 | 3-4 |
| 9C | 8 | 26 | 15 | 3-4 |
| 10C | 9 | 27 | 15.9 | 4-5 |
| 11C | 10 | 28 | 16.8 | 5-6 |
| 12C | 11 | 30 | 17.8 | 6-7 |
| 13C | 12 | 31 | 18.4 | 6-7 |
Shoes — Youth & Teens (8–16 Years)
| US | UK | EU | CM | Age |
|---|---|---|---|---|
| 1Y | 13 | 32 | 19.1 | 7-8 |
| 2Y | 1 | 33 | 20 | 8-9 |
| 3Y | 2 | 34 | 21 | 9-10 |
| 4Y | 3 | 36 | 22 | 10-11 |
| 5Y | 4 | 37 | 23 | 11-12 |
| 6Y | 5 | 38 | 24 | 12-13 |
| 7Y | 6 | 39 | 25 | 13-14 |
Shopping Tips
When between sizes, size up for comfort. Always compare your measurements to the chart rather than relying on age or letter sizes alone.
Size Comparison
Primigi sizing is generally consistent with standard US sizing. Compare with similar brands for reference.
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Frequently Asked Questions
Does Primigi run true to size?
Primigi generally runs true to size, though some styles may vary. Always check measurements.
How do I find my Primigi size?
Use the size chart above. Measure yourself or your child and compare against the listed dimensions.
What if I'm between sizes?
We recommend sizing up for a more comfortable fit, especially for growing children.
How to Measure
Chest
Measure around the fullest part of your chest, keeping the tape horizontal.
Waist
Measure around your natural waistline, keeping the tape comfortably loose.
Hips
Stand with feet together and measure around the fullest part of your hips.