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Women’s Sock Size Guide

Socks aren't sized to your body, they're sized to your foot. Enter your foot length below to find your sock size, or use the Quick Convert card if you already know your shoe size. For sizing across other categories, see our main Women's Size Guide.

Sock Size Finder

Measuring tips for socks

  • Foot length: stand on a sheet of paper against a wall, mark your heel and longest toe, then measure the straight-line distance between the marks.
  • Measure both feet. Feet are rarely identical, so use the longer measurement.
  • Measure at the end of the day when feet are at their largest, and while standing rather than sitting.
  • Already know your shoe size? Skip straight to the Quick Convert card below.
Enter your foot length above and select Find My Sock Size

Full Sock Size Chart

Foot length and equivalent women's, men's, UK, and EU shoe sizes for each sock size. Shoe size ranges are approximate since sock sizing is based primarily on foot length.

Sock SizeFoot Length (in)Women's USMen's USUKEU

Already Know Your Shoe Size?

Skip the measuring tape. Select your shoe size system and size to find your sock size instantly.

Your sock size
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Fit Tips for Socks

Sock sizing works differently from other garments since stretch does most of the work. A few things worth knowing before you buy:

Why One Size Covers a Range
Knit fabric with spandex or elastic content stretches to fit, which is why a single sock size comfortably covers two or more shoe sizes. You don't need an exact match the way you would with shoes.
Heel Pocket & Shape
A shaped heel pocket keeps a sock in place and matters more for fit than the size number alone. Tube socks with no heel shaping rely purely on stretch and tend to fit more loosely.
Compression Socks
Compression styles are sized more precisely, often by both shoe size and calf circumference. Don't size up for comfort the way you might with a regular crew sock, since compression depends on a snug fit.
Fabric Content
Cotton-heavy blends have a set stretch limit and run closer to true size. Nylon or spandex-rich blends stretch further and comfortably fit a wider range of foot sizes.
Length Doesn't Change Sizing
Ankle, crew, and knee-high socks all use the same foot-based sizing, only the leg portion differs. Choose length for style and coverage, not fit.
Between two sizes?
Size down for a snugger fit with less bunching at the toe. Size up for extra room, or if you'll be wearing the socks with thicker shoes or layering for cold weather.

About This Tool

Our Sock Size Finder works differently from our other size guides, because socks aren't sized to your bust, waist, or hips, they're sized to your foot length or shoe size. Enter your foot length to get a recommended sock size, along with the matching women's, men's, UK, and EU shoe sizes.

  • Covers foot lengths from about 8.5in to 12.85in (21.5cm to 32.5cm)
  • Works from a single foot length measurement, or a shoe size you already know
  • Converts between inches and centimeters
  • Shows women's, men's, UK, and EU shoe size equivalents alongside your result

How This Tool Works

1

Measure your foot length using the guide below, or use Quick Convert if you already know your shoe size.

2

Choose your preferred units using the in / cm toggle at the top of the tool.

3

Enter your foot length, then select Find My Sock Size.

4

Check your recommended sock size and its shoe size equivalents, and read the fit tips above for guidance on stretch, heel shape, and compression socks.

How to Measure Your Foot Length

Step 1: Trace
Stand on a sheet of paper on a hard floor, with your heel against a wall. Mark the tip of your longest toe and the back of your heel.
Step 2: Measure
Measure the straight-line distance between the two marks in inches or centimeters. This is your foot length.
Step 3: Compare
Repeat for your other foot and use the larger of the two measurements. Measure in the evening when feet are at their largest.
Please note: These measurements and size conversions are intended as a general guide only. Fit varies between brands and styles, so we always recommend checking the specific measurements listed on each product page. If you fall between two sizes, choose the larger size for a more comfortable fit. Need to exchange for a different size? See our Refunds and Returns Policy or contact us.
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