Lifestyle & Utility category
Everyday helper tools for music, cooking, timing, and quick tasks.
Shoe Size Converter
Convert shoe sizes between US, UK, EU, and CM for men's, women's, and kids' shoes. Use the chart to compare sizes and measure your foot length for a better fit.
Tip: measure your foot in cm to find your size, then compare that length across US, UK, and EU charts.
Converted Sizes
Based on the closest men chart match for 9 US.
US
9
UK
8.5
EU
42.5
CM
27
Men's Conversion Chart
Use this chart for a quick brand-to-brand size comparison.
| US | UK | EU | CM |
|---|---|---|---|
| 6 | 5.5 | 39 | 24 |
| 6.5 | 6 | 39.5 | 24.5 |
| 7 | 6.5 | 40 | 25 |
| 7.5 | 7 | 40.5 | 25.5 |
| 8 | 7.5 | 41 | 26 |
| 8.5 | 8 | 42 | 26.5 |
| 9 | 8.5 | 42.5 | 27 |
| 9.5 | 9 | 43 | 27.5 |
| 10 | 9.5 | 44 | 28 |
| 10.5 | 10 | 44.5 | 28.5 |
| 11 | 10.5 | 45 | 29 |
| 11.5 | 11 | 45.5 | 29.5 |
| 12 | 11.5 | 46 | 30 |
| 13 | 12.5 | 47.5 | 31 |
Foot Measurement Guide
- Stand on a sheet of paper with your heel lightly touching a wall.
- Mark the longest point of your toes, then measure from heel to toe in centimeters.
- Measure both feet and use the longer result when choosing a size.
- Compare your cm length with the chart above, then adjust for brand fit if needed.
Width Guide
Narrow
Feet that feel loose in standard shoes or need slim-fitting brands.
Standard
Most people fit best here. Start with regular width unless your shoes consistently pinch or slip.
Wide
Helpful if the toe box feels tight, the sides bulge, or you size up only for extra room.
Extra Wide
Best for very broad feet, orthotics, or all-day comfort when wide sizes still feel restrictive.
EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.
Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.
Learn more about our review process on the EveryCalc methodology page.
How this calculator works
What this page estimates
This Shoe Size Converter is built to give a quick, browser-based estimate for shoe size converter. Convert shoe sizes between US, UK, EU, and CM for men's, women's, and kids' shoes. Use the chart to compare sizes and measure your foot length for a better fit. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.
Calculation approach
The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For lifestyle & utility tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.
Example workflow
For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.
Practical checks
- Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
- Run a low, base, and high case when the inputs are estimates.
- Check the related calculators below when the next decision depends on a different assumption.
How to interpret the shoe size converter result
Best use
Use the result for everyday planning, quick comparisons, event prep, cooking, timing, travel, music, or small decisions where a spreadsheet would be overkill.
Cross-check
Compare the output with the actual schedule, recipe, venue rule, device setting, or measurement you will use in the moment.
Watch for
Small utilities can still be wrong if the input unit, timezone, serving size, or rounding assumption is off. Recheck the entry that drives the result.
This page belongs to the Lifestyle & Utility calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.
Before relying on this shoe size converter estimate
Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.
Check units and timing
Small utilities are most often wrong because of unit mismatches, rounding, timezone errors, serving sizes, or copied values.
Use the exact context
Recipe, event, travel, music, hobby, and timing results should match the actual rule, schedule, device, or quantity you will use.
Move up for serious stakes
If the answer affects health, legal, money, or safety decisions, use a more specific calculator and verify against a primary source.
Rerun this page when the unit, schedule, quantity, location, timezone, serving size, or rule changes.
How to Use
- Choose Men's, Women's, or Kids to match the sizing chart you need.
- Enter your shoe size and select whether that number is in US, UK, EU, or CM.
- Review the instant conversions shown across all four systems.
- Use the size chart, foot measurement notes, and width guide to fine-tune your fit before buying.
Frequently Asked Questions
Is shoe sizing the same across all brands?
No. Brand sizing can vary slightly, especially between athletic, fashion, and work shoes. Use your foot length in centimeters as the most reliable starting point, then check the brand's own fit notes if available.
How do I measure my foot for shoe size?
Stand on paper, trace or mark your heel and longest toe, then measure that distance in centimeters. Measure both feet and use the longer one when comparing with a chart.
What is the difference between US, UK, and EU shoe sizes?
Each region uses its own scale, so the same physical foot length maps to different size numbers. That is why a converter or chart is useful when shopping from international brands.
Why does width matter when choosing shoes?
Length alone does not guarantee a good fit. If shoes feel tight at the sides, pinch your toes, or require sizing up just for comfort, you may need a wide or extra wide option instead of a longer size.
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