01
Prepare
Place a sheet of paper on a hard floor with one edge directly against a wall. Wear the socks you would normally wear with the shoes.
KARHU Size Guides
KARHU footwear sizing
Find your KARHU shoe size
Use the official KARHU size charts to compare US, UK and EU sizes for lifestyle sneakers and running shoes. For the most accurate fit, measure your foot length in millimetres and use that measurement rather than converting from another footwear brand.
KARHU lifestyle sneakers and performance running shoes use separate size charts. Choose the category you plan to buy before finding your size.
Start with your foot length: measure both feet while standing and use the measurement of the longer foot. If you fall between two sizes, choose the larger size.
Choose your chart
Three KARHU size guides
Select the chart that matches the footwear category and fit you are shopping for.
Before using the charts
How to measure your feet
02
Measure
Stand on the paper with your heel lightly touching the wall. Mark the end of your longest toe and measure from the wall to the mark.
03
Compare
Measure both feet in millimetres. Use the longer measurement and find the matching or next larger length in the relevant chart.
Lifestyle footwear
KARHU sneaker size guide
Use this chart for KARHU lifestyle sneakers, including the Fusion 2.0, Legacy 96, Fusion XT, Mestari 76, Super Fulcrum and Fusion XC. Explore the complete KARHU sneaker collection to compare available models.
Fit adviceMost KARHU lifestyle sneakers fit true to size. Always check the specific fit advice on the product page, as construction and fit can differ slightly between models.
| Shoe length (mm) | US men's | US women's | UK | EU |
|---|---|---|---|---|
| 230 mm | 4 | 5.5 | 3 | 35 |
| 234 mm | 4.5 | 6 | 3.5 | 36 |
| 238 mm | 5 | 6.5 | 4 | 37 |
| 243 mm | 5.5 | 7 | 4.5 | 38 |
| 246 mm | 6 | 7.5 | 5 | 39 |
| 251 mm | 6.5 | 8 | 5.5 | 39.5 |
| 255 mm | 7 | 8.5 | 6 | 40 |
| 259 mm | 7.5 | 9 | 6.5 | 40.5 |
| 263 mm | 8 | 9.5 | 7 | 41.5 |
| 268 mm | 8.5 | 10 | 7.5 | 42 |
| 272 mm | 9 | 10.5 | 8 | 42.5 |
| 276 mm | 9.5 | 11 | 8.5 | 43.5 |
| 280 mm | 10 | 11.5 | 9 | 44 |
| 285 mm | 10.5 | 12 | 9.5 | 44.5 |
| 289 mm | 11 | 12.5 | 10 | 45 |
| 293 mm | 11.5 | 13 | 10.5 | 46 |
| 297 mm | 12 | — | 11 | 46.5 |
| 301 mm | 12.5 | — | 11.5 | 47 |
| 306 mm | 13 | — | 12 | 48 |
| 310 mm | 14 | — | 13 | 49 |
| — | 15 | — | 14 | 50.5 |
| — | 16 | — | 15 | 51.5 |
Swipe horizontally to view the complete size chart.
Performance footwear
KARHU running shoe size guides
Running shoes should feel secure through the heel and midfoot while leaving enough room for your toes to move and your feet to expand during longer runs. Use the men's or women's chart below and read our running shoe fit guide for more detailed width and fit information.
Men's running shoe size chart
Use this chart for men's KARHU performance running shoes, including models from the Fusion, Ikoni, Mestari Run and trail collections.
Fit adviceLeave approximately a thumb's width between your longest toe and the front of the shoe. Runners who need additional width can explore KARHU HiVo running shoes.
| US men's | UK | EU | Shoe length (mm) |
|---|---|---|---|
| 8 | 7 | 41.5 | 263 mm |
| 8.5 | 7.5 | 42 | 268 mm |
| 9 | 8 | 42.5 | 272 mm |
| 9.5 | 8.5 | 43.5 | 276 mm |
| 10 | 9 | 44 | 280 mm |
| 10.5 | 9.5 | 44.5 | 285 mm |
| 11 | 10 | 45 | 289 mm |
| 11.5 | 10.5 | 46 | 293 mm |
| 12 | 11 | 46.5 | 297 mm |
| 12.5 | 11.5 | 47 | 301 mm |
| 13 | 12 | 48 | 306 mm |
| 14 | 13 | 49 | 310 mm |
| 15 | 14 | 50 | 315 mm |
Swipe horizontally to view the complete size chart.
Women's running shoe size chart
Use this chart for women's KARHU performance running shoes. Measure at the end of the day, when feet are generally at their largest, and use the longer of your two measurements.
Fit adviceIf your measurement falls between two sizes, the larger size usually provides more comfortable toe room for training and longer distances. Women's HiVo models offer a wider D-width fit.
| US women's | UK | EU | Shoe length (mm) |
|---|---|---|---|
| 6 | 4 | 37 | 234 mm |
| 6.5 | 4.5 | 37.5 | 238 mm |
| 7 | 5 | 38 | 243 mm |
| 7.5 | 5.5 | 39 | 246 mm |
| 8 | 6 | 39.5 | 251 mm |
| 8.5 | 6.5 | 40 | 255 mm |
| 9 | 7 | 40.5 | 259 mm |
| 9.5 | 7.5 | 41.5 | 263 mm |
| 10 | 8 | 42 | 268 mm |
| 10.5 | 8.5 | 42.5 | 272 mm |
| 11 | 9 | 43 | 276 mm |
| 12 | 9.5 | 44.5 | 285 mm |
Swipe horizontally to view the complete size chart.
Fit beyond length
Find the right running shoe fit
Standard width
KARHU standard-width running shoes are designed for runners with a regular foot shape. The upper should feel comfortably secure without pressure across the forefoot.
Explore the fit guideHiVo wide fit
HiVo is KARHU's wider running fit: approximately 2E for men and D for women. It offers extra space through the forefoot without simply making the shoe longer.
Shop HiVo running shoesExplore more
Choose your KARHU running shoes
Running shoe guide
Compare KARHU running models by cushioning, guidance, terrain and intended use to find the shoe that matches your training.
Compare running shoesFulcrum technology
Learn how KARHU Fulcrum technology supports smooth forward movement across the performance running collection.
Explore Fulcrum technologyReady to find your pair?
Use your foot measurement, select the right category and always check the model-specific fit advice before ordering.
Frequently Asked Questions
You can convert your US shoe size to an EU size using the KARHU size chart above. Since shoe sizing may differ between brands, we recommend using your foot length in millimeters (mm) instead of relying solely on size conversions. Measuring your feet and matching the measurement to our chart provides the most accurate fit for both KARHU lifestyle sneakers and running shoes.
US and EU shoe sizes use different sizing systems and do not convert on a one-to-one basis. An EU shoe size is based on the European Paris Point system, while US sizing follows its own numerical scale for men's and women's footwear. Because sizing can vary between brands, the most accurate way to find your KARHU size is by measuring your foot length in millimeters (mm) and comparing it with our size chart.
The most accurate way to find your KARHU shoe size is by measuring your foot length in millimeters (mm) and comparing it with our size chart. Measuring your feet provides a more reliable fit than converting from another shoe brand, as sizing may vary between manufacturers.
Many long-distance runners prefer slightly more room in the toe box to accommodate swelling during extended runs. If you are between sizes, choosing the larger size is often the better option.
Many runners wear the same size in both categories, but foot shape and personal preference can vary. Always compare your foot length with the running shoe size guide before purchasing.
Stand on a piece of paper with your heel against a wall. Mark the tip of your longest toe and measure the distance from the wall to the mark in millimeters. Compare this measurement with the KARHU size chart to determine your recommended size.
Most KARHU lifestyle sneakers fit true to size. For the best fit, we recommend measuring your foot length and comparing it with the lifestyle size chart. This is especially helpful if you are purchasing a new KARHU model for the first time. Also we have a size advice on all the product pages.
Most KARHU men's running shoes fit true to size. Measuring your foot length and comparing it with our running size guide is the best way to ensure the correct fit for training and racing. But we also have size advice on all the product pages.
Yes. Our size guides include US, UK and EU shoe sizes alongside foot length in millimeters, making it easy to convert between sizing systems and find the correct KARHU fit.
