9 EU Size to US Women's
Quick answer
9 EU Size (EU) equals
-22 US W
To convert 9 EU Sizes to US Women'ses, multiply by -30. Therefore, 9 EU Size (EU) equals -22 US Women's (US W).
Formula: US W = EU × -30. Calculation: -22 US W. Reverse: EU = US W × 32.
Convert EU Size (EU) to US Women's (US W) online with our free unit converter. Calculated using formula: US W = EU × -30. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting EU Size to US Women's
- Step 1 — start with the formula. US W = EU × -30
- Step 2 — substitute your figure. Apply the formula to 9 EU.
- Step 3 — read the result. 9 EU = -22 US W
- Step 4 — check it in reverse. EU = US W × 32 returns 9 EU, which matches the figure you started with.
Shoe Size Converter
4 units available
9 EU = -22 US W
Formula:
US W = EU × -30With your value: 9 EU = -22 US W
Other EU Size to US Women's conversions
EU Size to US Women's Conversion Table
| EU Size (EU) | US Women's (US W) |
|---|---|
| 0.5 | -30.5 |
| 1 | -30 |
| 2 | -29 |
| 5 | -26 |
| 10 | -21 |
| 15 | -16 |
| 20 | -11 |
| 25 | -6 |
| 50 | 19 |
| 100 | 69 |
| 250 | 219 |
| 500 | 469 |
| 1000 | 969 |
US Women's to EU Size Conversion Table
| US Women's (US W) | EU Size (EU) |
|---|---|
| 0.5 | 31.5 |
| 1 | 32 |
| 2 | 33 |
| 5 | 36 |
| 10 | 41 |
| 15 | 46 |
| 20 | 51 |
| 25 | 56 |
| 50 | 81 |
| 100 | 131 |
| 250 | 281 |
| 500 | 531 |
| 1000 | 1,031 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
EU Size (EU)
Shoe Size
Only Mondopoint (ISO 9407) is defined from foot length in millimetres. US, UK and EU scales are trade conventions.
Manufacturer lasts differ. Treat cross-system results as a starting point, not a guaranteed fit.
Source: ISO 9407:2019, Footwear sizing — Mondopoint system
International Organization for Standardization · Reviewed 2026-07-01
US Women's (US W)
Shoe Size
Only Mondopoint (ISO 9407) is defined from foot length in millimetres. US, UK and EU scales are trade conventions.
Manufacturer lasts differ. Treat cross-system results as a starting point, not a guaranteed fit.
Source: ISO 9407:2019, Footwear sizing — Mondopoint system
International Organization for Standardization · Reviewed 2026-07-01
How to Convert EU Size to US Women's
This conversion uses an offset formula, so it cannot be described by a single multiplication factor.
Formula: US W = EU × -30
Reverse: EU = US W × 32
Step-by-Step Example
- Start with your value in EU Size. For example: 5 EU
- Apply US W = EU × -30
- The result is: -26 US W
EU Size and US Women's Relationship
This calculation facilitates standardized conversion between recognized units of shoe size. Unlike simple multiplicative factors, this conversion follows an affine calculation model: US W = EU × -30. Understanding the relationship between EU Size and US Women's is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About EU Size
European shoe sizes are based on the Paris point (2/3 centimeter).
Common uses of EU Size: shoe shopping (Europe), global footwear industry.
About US Women's
The US Women's (symbol: US W) is a recognized unit in the Standard measurement framework, utilized within shoe size applications for precision and standardized data representation.
Common uses of US Women's: shoe size calculations, engineering and science, education.
Frequently Asked Questions
- What is 9 EU Size in US Women's?
- 9 EU Size equals -22 US Women's.
- How many US Women'ses are in 1 EU Size?
- There are exactly -30 US Women'ses in 1 EU Size.
- What is the formula to convert EU Size to US Women's?
- The formula to convert EU Size to US Women's is: US W = EU × -30. For example, to convert 10 EU Sizes to US Women'ses, you would apply the formula to 10.
- What is a EU Size?
- European shoe sizes are based on the Paris point (2/3 centimeter).
- What is a US Women's?
- The US Women's (symbol: US W) is a recognized unit in the Standard measurement framework, utilized within shoe size applications for precision and standardized data representation.
- What are the common uses of EU Size?
- The EU Size is commonly used in shoe shopping (Europe), global footwear industry.
Related Shoe Size Conversions
Cite this page
UnitConvertLab. (2026). 9 EU Size to US Women's. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/9-shoe_eu-to-shoe_us_women