How do I convert CM to US shoe size?

Measure your foot length in centimeters from heel to longest toe, then use our converter tool above. CM measurements provide the most accurate shoe size conversion.

What US shoe size is 27 cm?

A foot length of 27 cm typically converts to US men's size 9 or US women's size 10. Use our converter for precise conversions based on gender.

CM to US Shoe Size Converter

Quick answer:

Convert foot measurements in centimeters to US shoe sizes. Free CM to US shoe size converter with accurate conversion charts.

Convert foot measurements in centimeters to US shoe sizes. CM measurements provide the most accurate shoe size conversion method.

Converted Sizes

Popular conversions

How to Measure Your Foot in Centimeters

Measuring your foot in centimeters is the most accurate way to determine your shoe size. Follow these steps:

Prepare: Place a piece of paper on a hard, flat surface against a wall
Position: Stand on the paper with your heel against the wall
Mark: Mark the longest point of your foot (usually the big toe) on the paper
Measure: Measure from the wall to the mark in centimeters
Repeat: Measure both feet and use the larger measurement

Pro Tips:

Measure your feet in the evening when they're at their largest
Wear the type of socks you'll wear with the shoes
Stand while measuring (don't sit) for accurate results
If you're between sizes, round up to the next half or whole size

CM to US Shoe Size Conversion Chart

Here are some common CM to US shoe size conversions:

Men's Sizes

24.0 cm = US Men's 6
25.0 cm = US Men's 7
26.0 cm = US Men's 8
27.0 cm = US Men's 9
28.0 cm = US Men's 10
29.0 cm = US Men's 11
30.0 cm = US Men's 12

Women's Sizes

21.0 cm = US Women's 4
22.0 cm = US Women's 5
23.0 cm = US Women's 6
24.0 cm = US Women's 7
25.0 cm = US Women's 8
26.0 cm = US Women's 9
27.0 cm = US Women's 10

Use our converter tool above for precise conversions and to see all international size equivalents.

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Common questions

How should I use this converter?

Pick your region and size, then read the equivalents. When in doubt, measure in centimeters and compare to the brand chart.

Why do sizes differ between countries?

Each region uses its own scale; mapping through foot length (cm) reduces error.

More on CM to US Shoe Size Converter - Convert Centimeters to US Shoe Sizes

See linked guides on this site for measurement tips and regional differences.

Data sources

ISO and regional footwear sizing references (length-based mapping)
Published brand size charts (e.g. Nike, Adidas) for cross-checks—not endorsements
International measurement and apparel sizing studies (public summaries)

Why Sizes May Vary

Shoe and clothing sizes can vary between brands due to manufacturing differences, materials, and regional sizing standards.

Frequently Asked Questions

What is EU 42 in US shoe size?

EU 42 typically converts to US men's size 9 and US women's size 10.5, depending on brand and width. Use any converter on this page when available.

Are EU and US shoe sizes the same?

No. The EU sizing system and US shoe sizing scale use different scales. International shoe size conversion is most reliable when you anchor to foot length in cm.