Kids Clothing Size Converter
Convert kids clothing sizes between US, UK, EU, and JP using height, weight, chest, and age as a reference.
Kids grow at different rates. Height and chest usually beat age alone when you pick a size—use age as a rough check, not the only input.
Kids Clothing Size Converter
Accurate kids clothing size conversion using body measurements for precise fitting
Enter body measurements to find matching sizes
Size measurements will appear here
Height Measurement:
- Have your child stand straight against a wall
- Remove shoes and ensure feet are flat on the floor
- Mark the top of the head on the wall
- Measure from floor to the mark
Chest Measurement:
- Use a soft measuring tape
- Measure around the fullest part of the chest
- Keep the tape snug but not tight
- Child should breathe normally
A Note on Kids' Clothing Sizes
Kids' clothing sizes are notoriously inconsistent across brands and regions. They often use age ranges (e.g., "2T", "3-4Y"), but a child's height and weight are far more reliable indicators for a good fit.
Our data is aligned with general international standards, primarily referencing the European EN 13402 standard, which bases sizing on body measurements. For more information on the body that governs these standards, you can visit the ISO/TC 133 committee for clothing size designation.
Why Choose Our Kids Clothing Size Converter?
Comprehensive Body Measurements
Includes height, weight, and chest measurements for each size, providing complete reference data for accurate fitting.
Age-Based Recommendations
Quick size selection based on your child's age, from newborn to 12 years, making shopping faster and more convenient.
Four International Standards
Supports US, UK, EU, and JP sizing—useful when shopping across countries or brands.
Growth Considerations
Detailed guidance on buying clothes with appropriate room for growth, considering seasonal changes and growth spurts.
Kids Clothing Buying Guide
Comfort First
Children's clothes should prioritize comfort and freedom of movement. Choose soft, breathable fabrics that allow for active play.
Room for Growth
Children grow quickly, especially during growth spurts. Leave some room for growth, but avoid clothes that are too large as they can be uncomfortable.
Seasonal Planning
When buying clothes for future seasons, consider that your child may grow 1-2 sizes, especially for rapidly growing toddlers and pre-teens.
Quality Matters
Invest in quality basics that can withstand frequent washing and active play. Look for reinforced seams and durable fabrics.
Kids Clothing Size Conversion FAQ
Q: How do I measure my child for clothing sizes?
A: Measure your child's height against a wall, chest around the fullest part, and weigh them. Compare these measurements to our size chart rather than relying solely on age. Children of the same age can vary significantly in size.
Q: Should I buy larger sizes for my growing child?
A: Buy with some room for growth, but not too large. Clothes that are too big can be uncomfortable and may restrict movement. For rapidly growing children, consider buying 1 size larger for items that will be worn in future seasons.
Q: Do different brands have different sizing?
A: Yes, brands can vary in their sizing. Always check the brand's specific size chart and read customer reviews for fit information. Our converter provides standard sizing as a starting point, but brand-specific charts are always more accurate.
Q: How often should I check my child's clothing size?
A: Check every 3-6 months, or whenever you notice clothes becoming tight or short. Growth spurts can happen quickly, and ill-fitting clothes can be uncomfortable and restrict movement during play and activities.
Kids Clothing Size Chart
| US Size | UK Size | EU Size | JP Size | Height (cm) | Weight (kg) | Chest (cm) |
|---|---|---|---|---|---|---|
| 0-3m | 0-3m | 62 | 60 | 62 | 5 | 43 |
| 3-6m | 3-6m | 68 | 70 | 68 | 8 | 46 |
| 6-9m | 6-9m | 74 | 75 | 74 | 9 | 47 |
| 9-12m | 9-12m | 80 | 80 | 80 | 10 | 48 |
| 2T | 18-24m | 92 | 90 | 86 | 12 | 52 |
| 3T | 2-3y | 98 | 95 | 95 | 14 | 54 |
| 4T | 3-4y | 104 | 100 | 102 | 16 | 56 |
| 5 | 4-5y | 110 | 110 | 110 | 18 | 58 |
| 6 | 5-6y | 116 | 115 | 115 | 20 | 59 |
| 7 | 6-7y | 122 | 120 | 120 | 23 | 61 |
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