Sock Size Converter
Sock sizing varies widely between brands and countries. The simplest way to find your sock size is by using your shoe size. Our charts below map US, UK, and EU shoe sizes to standard sock size labels for both men and women.
Women’s Sock Size Chart
Based on US, UK, and EU women’s shoe sizes. The number in parentheses indicates the sock length range in inches.
Quick Converter
| US Shoe | UK Shoe | EU Shoe | Sock Size |
|---|---|---|---|
| 4-5.5 | 2-3.5 | 35-36 | S (9-11) |
| 6-7.5 | 4-5.5 | 36-38 | S (9-11) |
| 8-9.5 | 6-7.5 | 39-41 | M (9-11) |
| 10-11.5 | 8-9.5 | 41-43 | L (10-12) |
| 12+ | 10+ | 44+ | XL (10-12) |
Click any row to highlight it. Sizes are approximate and may vary by brand.
Men’s Sock Size Chart
Based on US, UK, and EU men’s shoe sizes. Men’s socks generally start at a larger base size than women’s.
Quick Converter
| US Shoe | UK Shoe | EU Shoe | Sock Size |
|---|---|---|---|
| 6-7.5 | 5.5-7 | 39-40 | S (10-13) |
| 8-9.5 | 7.5-9 | 41-42 | M (10-13) |
| 10-11.5 | 9.5-11 | 43-45 | L (10-13) |
| 12-13.5 | 11.5-13 | 46-48 | XL (13-16) |
| 14-16 | 13.5-15 | 49-51 | XXL (13-16) |
Click any row to highlight it. Sizes are approximate and may vary by brand.
How to Find Your Sock Size
Know Your Shoe Size
The most reliable way to determine sock size is from your shoe size. If you are between shoe sizes, round up to ensure a comfortable, non-restrictive fit.
Measure Your Foot
If you do not know your shoe size, stand on a piece of paper and trace your foot. Measure the length from heel to longest toe in inches or centimeters and compare to shoe size charts.
Consider Sock Type
Athletic socks, dress socks, and compression socks may fit differently even at the same labeled size. Athletic socks tend to have more stretch, while dress socks may run slimmer. Check brand-specific charts when available.
Sock Types and When Size Matters Most
Athletic & Sport Socks
Running, hiking, and sport-specific socks often feature targeted cushioning and arch support. An accurate size is critical because a poor fit causes blisters during repetitive movement.
Look for socks labeled with left and right foot designations for the best anatomical fit. Compression socks should feel snug but never cut off circulation.
Dress & Casual Socks
Dress socks are typically thinner and have less stretch than athletic socks. Sizing is more forgiving because the thinner fabric conforms to the foot more easily.
For dress socks, a slightly snugger fit prevents the sock from sliding down into your shoe throughout the day. If choosing between two sizes, go with the smaller one.
Frequently Asked Questions
Can I wear socks that are one size too large?
Wearing socks that are too large can cause bunching inside the shoe, which leads to blisters and discomfort. It is better to choose the size that matches your shoe size range. Most socks have enough stretch to accommodate a range of foot sizes.
What do the numbers like "10-13" mean on sock packages?
Those numbers refer to the US shoe size range the sock is designed to fit. For example, socks labeled 10-13 are designed for US men's shoe sizes 10 through 13. This is the most common labeling system in North America.
Are men's and women's socks interchangeable?
Men's and women's socks differ in width, heel placement, and overall proportions. While you can wear either in a pinch, socks designed for your gender will provide a better fit. If crossing over, women should size down in men's socks and vice versa.
Complete Your Look with AI Virtual Try-On
Once you know your sock size, use our AI tools to visualize entire outfits — from socks to outerwear — on a model that matches your build.
