Size Labels for Clothing: A Complete Guide to Standard Sizes, Materials, and International Conversion
Size labels are a small detail with a big impact. For clothing brands, fashion designers, and garment manufacturers, clear and accurate size labels help customers choose the right fit, reduce confusion, and create a more professional product.
Whether you sell locally or internationally, choosing the right garment size labels is essential. In this guide, we explain standard size labels, common dimensions, popular materials, sewing options, and international size conversion charts for babies, kids, women, and men.
Why Size Labels Matter in Clothing
Size labels help customers immediately understand how a garment is meant to fit. A clear and consistent sizing system improves the shopping experience and strengthens trust in your brand.
For fashion brands, custom size labels are also important for:
- Creating a polished and professional finish
- Reducing sizing confusion and returns
- Supporting sales in different countries
- Keeping consistency across collections
- Matching the look and feel of your brand
Standard Size Label Dimensions
Size labels are usually small, clean, and easy to sew into garments. One common format is a folded size label that can be attached to a main brand label, care label, neckline, waistband, or side seam.
A popular standard size for folded clothing size labels is 10 x 35 mm. This size is compact, readable, and suitable for many garment types.
When choosing the label size, consider:
- The type of garment
- The amount of text or symbols needed
- Your preferred sewing method
- The market you sell to
Choosing the Right Size System for Your Market
Size standards vary from country to country. If your brand sells internationally, it is important to use a sizing system your customers recognize.
Common clothing size systems include:
- Letter sizes: XXS, XS, S, M, L, XL, XXL
- European numeric sizes: 32, 34, 36, 38, 40, 42, 44 and more
- Baby sizes: NB, 0-3M, 3-6M, 6-9M, 9-12M, 12-18M, 18-24M
- Toddler sizes: 1T, 2T, 3T, 4T, 5T, 6T
- Kids numeric sizes: 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
- Custom number sizes: 0 to 200, depending on the product category
Maintaining consistent sizing within your brand helps customers feel more confident when buying from you again.
Materials for Size Labels
Size labels can be produced in different materials, depending on the garment style, brand positioning, and comfort level required.
Cotton Size Labels
Cotton labels offer a natural and premium look. They are especially suitable for boutique fashion, linen garments, baby clothing, and brands looking for a soft, organic appearance.
Satin Size Labels
Satin polyester labels have a smooth finish and soft touch. They are popular for fashion garments, underwear, dresses, and clothing where comfort against the skin is important.
Woven Size Labels
Woven labels create a refined and durable result. They are ideal when you want a clean, premium branded look with long-lasting quality.
How to Attach Size Labels to Garments
There are several ways to sew size labels into clothing products. The right method depends on the garment construction and the final look you want.
1. Sewn Under the Main Brand Label
A folded size label can be sewn directly into the bottom or side of the main brand label. This is one of the most common and professional solutions for fashion brands.
2. Attached Near the Care Label
Some brands place the size label in the same location as the care label, usually inside the side seam or lower interior section of the garment.
3. Sewn Separately Inside the Garment
The size label can also be sewn as a separate label in the neckline, waistband, or another internal location, depending on the product type.
Standard Clothing Size Labels
US Letter Sizes
| Common US Sizes |
|---|
| XXS |
| XS |
| S |
| M |
| L |
| XL |
| XXL |
European Numeric Sizes
| Common EU Sizes |
|---|
| 32 |
| 34 |
| 36 |
| 38 |
| 40 |
| 42 |
| 44 |
Baby Sizes
| Baby Size Labels |
|---|
| NB |
| 0-3M |
| 3-6M |
| 6-9M |
| 9-12M |
| 12-18M |
| 18-24M |
Toddler Sizes
| Toddler Size Labels |
|---|
| 1T |
| 2T |
| 3T |
| 4T |
| 5T |
| 6T |
Custom Number Sizes
For some collections, brands use numeric sizing only. Custom number size labels can range from 0 to 200, depending on the garment category and target market.
International Size Conversion Charts
If you sell garments internationally, conversion charts can help customers understand which size to choose across different markets.
Baby Size Conversion Chart (0-24 Months)
| AU / NZ | EU (cm) | UK (Months) | US (Months) | Mexico | Japan |
|---|---|---|---|---|---|
| 00000 | 50 | Premature | PM | 0-1m | --- |
| 0000 | 56 | Newborn | NB | 0-3m | 50 |
| 000 | 62 | 0-3m | 0-3mo | 0-3m | 50-60 |
| 00 | 68 | 3-6m | 3-6mo | 3-6m | 60 |
| 0 | 74 | 6-9m | 6-9mo | 6-9m | 70 |
| 1 | 80 | 9-12m | 9-12mo | 9-12m | 80 |
| 18m | 86 | 12-18m | 12-18mo | 12-18m | 80 |
| 2 | 92 | 18-24m | 18-24mo | 18-24m | 90 |
Kids Size Conversion Chart (3-14 Years)
| AU / NZ | EU (cm) | UK | US | Mexico | Japan |
|---|---|---|---|---|---|
| 3 | 98 | 2-3 | 3T | 2-3 | 95 |
| 4 | 104 | 3-4 | 4T | 3-4 | 100 |
| 5 | 110 | 4-5 | 5 | 4-5 | 110 |
| 6 | 116 | 5-6 | 6 | 5-6 | 110 |
| 7 | 122 | 6-7 | 7 | 6-7 | 120 |
| 8 | 128 | 7-8 | 8 | 7-8 | 120 |
| 9 | 134 | 8-9 | 9 | 8-9 | 130 |
| 10 | 140 | 9-10 | 10 | 9-10 | 130 |
| 11 | 146 | 10-11 | 11 | 10-11 | 140 |
Women's International Size Conversion Chart
| INTL | USA | UK/AU/NZ | Italy | Europe | Mexico | Japan |
|---|---|---|---|---|---|---|
| XXS | 00 | 2 | 34 | 30 | 22 | 1 |
| XS | 0 | 4 | 36 | 32 | 24 | 3 |
| S | 2 | 6 | 38 | 34 | 26 | 5 |
| S | 4 | 8 | 40 | 36 | 28 | 7 |
| M | 6 | 10 | 42 | 38 | 30 | 9 |
| M | 8 | 12 | 44 | 40 | 32 | 11 |
| L | 10 | 14 | 46 | 42 | 34 | 13 |
| L | 12 | 16 | 48 | 44 | 36 | 15 |
| XL | 14 | 18 | 50 | 46 | 38 | 17 |
| XXL | 16 | 20 | 52 | 48 | 40 | 19 |
| 3XL | 18 | 22 | 54 | 50 | 42 | --- |
| 3XL | 20 | 24 | 56 | 52 | 44 | --- |
Men's International Size Conversion Chart
| INTL | USA | UK/AU/NZ | Italy | Europe | Mexico | Japan |
|---|---|---|---|---|---|---|
| XS | 30 | 30 | 40 | 30 | ECH | 32 |
| XS | 32 | 32 | 42 | 32 | ECH | 34 |
| S | 34 | 34 | 44 | 34 | CH | 36 |
| S | 36 | 36 | 46 | 36 | CH | 36 |
| M | 38 | 38 | 48 | 38 | M | 40 |
| M | 40 | 40 | 50 | 40 | M | 42 |
| L | 42 | 42 | 52 | 42 | G | 44 |
| L | 44 | 44 | 54 | 44 | G | 46 |
| XL | 46 | 46 | 56 | 46 | EG | 48 |
| XXL | 48 | 48 | 58 | 48 | EEG | 50 |
| 3XL | 50 | 50 | 60 | 50 | EEEG | --- |
Tips for Choosing the Best Size Labels for Your Brand
- Keep the size text easy to read
- Use a size system familiar to your market
- Choose a material that matches your garment style
- Make sure the label feels comfortable on the skin
- Keep sizing consistent across all products
Order Custom Size Labels from Smallabel
At Smallabel, we produce high-quality custom size labels for clothing brands, designers, and garment manufacturers. Whether you need satin size labels, cotton size labels, woven labels, baby size labels, or custom numeric labels, we can help you create a clean and professional result for your collection.
Accurate size labels improve your product presentation and help customers choose the right fit with confidence.
If you are looking for custom clothing size labels for your brand, Smallabel offers professional solutions designed for fashion businesses that care about quality, detail, and presentation.
Design Your Own Size Labels – Only at Smallabel
Unlike standard suppliers, Smallabel offers full customization for size labels. You are not limited to predefined sizes or formats.
Create your own custom size labels with complete control over:
- Size formats (letters, numbers, kids, baby, or custom systems)
- Fonts, symbols, and layout
- Front and back printing
- Label size and folding style
Design your size labels online in minutes and receive a professional proof before production.
Start designing your custom size labels now