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FASHION Q&A›GUIDE 11

Shoe size conversion

20 common questions on this topic, answered.

Q&A
20 questions
CHECKED
Fact-checked
UPDATED
2026-11-15
01How are shoe sizes shown in Korea?
Korean shoe sizes show foot length in millimeters, such as 230, 240 or 270. They usually come in 5-millimeter steps, so 235 is meant for a foot about 23.5 centimeters long. The same number can fit differently depending on the brand and style, so trying shoes on is best.
02What is my US women's shoe size in Korean sizing?
As a rough guide, US women's 6 is about 230, 7 about 240 and 8 about 250 in Korean millimeter sizing. Half sizes fall on the 5-millimeter steps in between. This is only approximate and varies by brand, so try shoes on in the store before deciding.
03What is my US men's shoe size in Korean sizing?
Roughly, US men's 8 is about 260, 9 about 270 and 10 about 280 in Korean sizing. Sneakers and dress shoes may feel different even at the same size. Treat this as approximate and check the multi-country size labels printed on the shoe box.
04How do European shoe sizes convert to Korean sizes?
As a rough guide, EU 38 is about 240, EU 40 about 250, EU 42 about 265 to 270 and EU 44 about 280. European sizing varies a lot between brands, so conversion charts may not be exact. Measuring your foot length in millimeters is the most reliable way to compare.
05Are Japanese and Korean shoe sizes the same?
Mostly. Japan's JIS sizing shows foot length in centimeters, like 24.0 or 24.5, while Korea shows the same length in millimeters, like 240 or 245, so you can usually convert by moving the decimal point. Some brands' box labels may not match actual foot length, though, so try shoes on before buying.
06How do I measure my foot length?
Stand on a sheet of paper, mark the back of your heel and the tip of your longest toe, then measure the distance in millimeters. Use the longer of your two feet. Feet swell slightly later in the day, so measuring and trying shoes on in the afternoon or evening is a good idea.
07How do I choose Korean shoes if I have wide feet?
In Korean, foot width is called "balbol," and some shoes are specifically marketed for wide feet. Ask in the store, "balbol neolbeun sinbal isseoyo?" (Do you have shoes for wide feet?). If width rather than length is the problem, finding a wider model is usually better than simply going up a size.
08Shoe boxes list several countries' sizes. How do I read them?
Sneaker boxes and inside labels often show US, UK, EU and Korean or Japanese sizes together. Korean sizes are in millimeters and Japanese in centimeters, so find the system you know and compare from there. Each brand's conversion may differ slightly, so try the shoes on when you can.
09How do I choose children's shoe sizes in Korea?
Children's shoes also use foot length in millimeters, such as 130, 150 or 180. Many parents leave roughly 10 millimeters of toe room, but fit varies by shoe, so trying them on matters. Kids' feet grow fast, so measure often and press the toe area to check the space after trying them on.
10What should I know about trying on shoes in Korean stores?
Most shoe stores let you try shoes on freely, and staff often bring your size from the back. Wearing socks is convenient, and some stores may ask you not to try shoes barefoot. Walk around a little and check that the heel and toes feel comfortable.
11Why do Koreans often wear shoes that are easy to slip on and off?
In Korea, people take off their shoes at home and in some restaurants and guesthouses, so easy-on, easy-off shoes are practical. Laceless sneakers, slip-ons and shoes with foldable heels are common as a result. If you plan to visit floor-seating restaurants or hanok stays, such shoes are handy.
12How is heel height indicated in Korea?
Heel height is usually given in centimeters, and stores or online listings often state it in the product details. Higher heels can make the toe area feel tighter even at your usual size. If you plan to walk a lot, check both heel height and cushioning before buying.
13What can I do if my shoes are slightly too big?
Many people add an insole or stick-on heel grips to adjust a slightly loose fit. Insoles and pads are easy to find at shoe stores and household goods shops. If the difference is large, exchanging for another size is better for your feet.
14How do sandal and slipper sizes work?
Sandals and slippers sometimes come in millimeter sizes, but they are often shown as S, M, L or as a range like 230 to 240. Ranges are only approximate, so try them on. Make sure your toes and heels do not hang over the edges.
15How should I choose a size for hiking boots?
Try hiking boots on with thick hiking socks, then check that your toes have room to move and your heel stays secure. Rather than simply sizing up by a fixed amount, go by fit. Make sure your toes do not hit the front on downhill slopes, and tell store staff how you plan to use them.
16How do I pick a shoe size when buying from Korean online stores?
Product pages often say whether a shoe runs true to size or half a size big, and buyer reviews can help too. Measure your foot length and width beforehand to make choosing easier. Exchanges can be difficult with overseas shipping, so if you are unsure, try them on in a store first.
17What is my UK shoe size in Korean sizing?
UK sizes are usually numbered lower than US sizes, so roughly UK men's 8 is around 270 and UK women's 5 around 240 in Korean sizing. Brands vary considerably, so conversions may not be exact. Measure your foot length in millimeters and compare directly.
18Where can I get shoes repaired in Seoul?
Small shoe repair and shoeshine booths can be found on streets and near subway stations around Seoul. They handle simple jobs such as replacing heel tips, reinforcing soles and stretching shoes. Ask the booth directly about how long it will take and the cost.
19What Korean phrases help when asking for shoe sizes?
Just say the millimeter number, for example "ibaeksasip isseoyo?" (Do you have 240?). For a slightly larger pair, say "o miri keun geo isseoyo?" (one 5 mm bigger), and for smaller, "o miri jageun geo isseoyo?" You can also type the number on your phone and show it.
20Do men and women use the same shoe size system in Korea?
Yes. Korean shoes use foot length in millimeters for everyone, so the same number means the same length regardless of gender. Unlike US sizing, there is no separate men's and women's scale, which makes comparison easy. Men's and women's designs may still differ in width and shape.

Compiled by the KOREA WAVE NEWS editors. Opening hours, exchanges and refunds vary by store, so check with each shop. Size conversions are approximate and differ by brand.