A sock size chart matches your US shoe size to a sock size like S, M, L or XL. Find your shoe size on the chart, and size up if you fall between two sizes.
This guide covers men’s, women’s, children’s, youth and Nike sock size charts. It also covers US/UK/EU conversions, sock heights, and how to measure your foot.
How to Read a Sock Size Chart
Sock sizes are ranges, not exact fits. Each size covers about 2–3 shoe sizes, because socks stretch. Match your shoe size to the chart, then read the sock size it points to.
Sock Size vs. Shoe Size
They are related, but they are not the same. For example, a men’s size 11 shoe fits a men’s Large sock, which covers shoe sizes 10–12. Sock sizes are wider bands because knit fabric stretches.
Letter Sizes vs. Number Sizes
Brands use two labels. Letter sizes are S, M, L and XL. Number sizes are ranges like 9–11 or 10–13. Most brands treat 9–11 as Medium and 10–13 as Large, but always check the brand chart.
Women’s sock sizes usually run S, M and L. They cover US women’s shoe sizes from about 4 to 13. Women’s socks also sit a bit lower on the leg than men’s socks of the same height name.
Children’s socks follow kids’ shoe sizes. Pick by shoe size first, because age is only a rough guide.
Sock Size
Kids’ US Shoe
UK
EU
Rough Age
S
9–11.5
8.5–11
26.5–29.5
3–5 years
M
12–2.5
11.5–2
30–34
5–8 years
L
3–6
2.5–5.5
35–38
8–12 years
Youth Sock Size Chart
Group
Size
Sock Size
US Shoe
EU (approx.)
Little Kids
XS
5–6½
6–8½
22–25
Little Kids
S
6–8
9–13
26–30
Big Kids
M
7–9
13–4
30–36
Big Kids
L
9–11
4–7
36–39
Nike Sock Size Chart
Nike socks use unisex alpha sizing from XS to XXL. Check the US Men’s and US Women’s rows to find your size.
Size
US Men’s
US Women’s
UK
EU
US Kids
XS
—
—
—
31–35
13C–3Y
S
—
4–6
2–5
34–38
3Y–5Y
M
6–8
6–10
5–8
38–42
5Y–7Y
L
8–12
10–13
8–11
42–46
—
XL
12–15
—
11–14.5
46–50
—
XXL
15–18
—
14.5–17
50–53
—
Sock Size Chart by Brand
Brand
Size M
Size L
Nike
6–8
8–12
Darn Tough
8–9.5
10–12
Feetures
6–8.5
9–12
Hot Chillys
6–8½
9–11½
Dickies (Kohl’s)
5–9
9–12
Merry People (quarter socks, US unisex)
8–11
12+
Foot Length to Sock Size
Foot Length
Sock Size
Up to 9.4″
S
9.4″–10.3″
M
10.4″–11.6″
L
11.7″ and up
XL
How to Measure Your Foot for Socks
Measuring foot length works when a chart doesn’t match your shoe size. It also helps when you’re between sizes or shopping for a brand you haven’t tried.
Paper and Ruler Method
Stand on a sheet of paper with your heel against a wall.
Mark the tip of your longest toe.
Measure from the wall to the mark.
Measure in the evening, when feet are slightly larger.
FAQs
How do I determine my sock size?
Match your US shoe size to the brand’s sock size chart, and size up if you’re between sizes.
Is my sock size the same as my shoe size?
No, each sock size covers a range of about 2–3 shoe sizes.
What size is a sock size 8-10?
It’s a small-to-medium size that suits many women’s shoe sizes, so confirm it on the brand’s chart.
How big are M-size socks?
Medium socks typically fit men’s shoe sizes of about 6–9 and women’s sizes of about 6–10, depending on the brand.
I am the admin and author of SizesForm, researching, verifying, and explaining measurements, dimensions, weights, and sizes in simple terms to help readers understand everyday comparisons accurately and confidently.
