Foot length in cm to US men's shoe size
Measure your foot from heel to the tip of the longest toe, then enter the length to get your US men's size.
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How to use it
- Enter foot length.
- The result appears straight away and updates as you edit.
- Copy the result, or copy a link that keeps the same values to share it.
How it is calculated
US men's = 3 × foot length (in) - 22, with 1 in = 2.54 cm. The result is rounded to the nearest half size, following the ISO/TS 19407 formulas.
Example
Inputs: Foot length = 26 cm. Result: US men's size: 8.5; Exact value before rounding: 8.71; KR and CN size: 260 mm.
Limits and caveats
- Brands and models can differ from this chart by up to one size, so check the brand's own chart when you have it.
- Based on the ISO/TS 19407 formulas, which add an allowance of two sizes to the foot length.
- Foot width and shape are not taken into account.
Questions about this tool
What is a 26 cm foot in US men's sizes?
It is US men's 8.5 using the ISO/TS 19407 formulas; the exact value before rounding is 8.71.
Why does a brand's chart differ from this foot length in cm to US men's result?
Each brand rounds its sizes and builds its lasts its own way, so its chart can be up to one size off. Measuring your foot in cm is the most reliable check.
How do I measure my foot length?
Stand on paper with your heel against a wall, mark the tip of your longest toe and measure in cm. Measure both feet in the evening and use the longer one.