US Women to US Men Conversion Table
| US Women (US W) | US Men (US M) | Reference Benchmark | Formula Step |
|---|---|---|---|
| 5 US W | 4 US M | Unisex low-top canvas skate sneakers | US M = 5 − 1 = 4 |
| 5.5 US W | 4.5 US M | Classic retro suede terrace trainers | US M = 5.5 − 1 = 4.5 |
| 6 US W | 5 US M | Everyday cushioned walking & running sneakers | US M = 6 − 1 = 5 |
| 6.5 US W | 5.5 US M | Heritage leather penny loafers & boat shoes | US M = 6.5 − 1 = 5.5 |
| 7 US W | 6 US M | Classic high-top basketball canvas shoes | US M = 7 − 1 = 6 |
| 7.5 US W | 6.5 US M | Waterproof outdoor hiking pacs & duck boots | US M = 7.5 − 1 = 6.5 |
| 8 US W | 7 US M | Modern cushioned road running sneakers | US M = 8 − 1 = 7 |
| 8.5 US W | 7.5 US M | Handcrafted leather chelsea ankle boots | US M = 8.5 − 1 = 7.5 |
| 9 US W | 8 US M | Iconic streetwear court & skate trainers | US M = 9 − 1 = 8 |
| 9.5 US W | 8.5 US M | Full-grain leather service & combat boots | US M = 9.5 − 1 = 8.5 |
| 10 US W | 9 US M | High-mileage stability marathon running shoes | US M = 10 − 1 = 9 |
| 10.5 US W | 9.5 US M | Heavy-duty Vibram-lug trail trekking boots | US M = 10.5 − 1 = 9.5 |
| 11 US W | 10 US M | Western leather cowboy boots with Cuban heels | US M = 11 − 1 = 10 |
| 11.5 US W | 10.5 US M | Tailored Goodyear-welted leather dress brogues | US M = 11.5 − 1 = 10.5 |
| 12 US W | 11 US M | Extended-range athletic court footwear | US M = 12 − 1 = 11 |
| 13 US W | 12 US M | Oversized professional sports sneakers | US M = 13 − 1 = 12 |
US Women to US Men Formula & Unit Definitions
Because both US Women and US Men sizing systems advance at the identical rate of 1/3 inch (one barleycorn) per full size, the mathematical conversion is a direct linear subtraction: US M = US W − 1.
Quick Estimation: Subtract 1 from your US Women's size to find the corresponding US Men's size. For example, a US Women 9 is a US Men 8, and a US Women 8.5 is a US Men 7.5.
US Women (US W)
Source Standard- Calibrated on the American Brannock women's scale, offset by one size from men's lasts.
- Shares identical 1/3-inch length increments while accommodating narrower female heel proportions.
- Default medium width across American women's footwear is standardized as 'B' width.
US Men (US M)
Target Standard- Calibrated with the American Brannock device adult male scale.
- Graded in 1/3-inch (8.46 mm) full-size and 1/6-inch (4.23 mm) half-size intervals.
- Default medium width across American men's footwear is standardized as 'D' width.
Frequently Asked Questions
Q.How do you convert US Women's shoe size to US Men's?
Subtract 1 from your US Women's size. For example, a US Women 9 is a US Men 8. To convert in the opposite direction, consult our US Men to US Women shoe converter.
Q.What is the formula for converting US Women to US Men shoe sizes?
The official formula is US M = US W − 1. Both systems share the 1/3-inch barleycorn increment, making the conversion a clean single-size subtraction.
Q.What is a US Women's size 10 in US Men's?
A US Women's size 10 corresponds to a US Men's size 9 (10 − 1 = 9). While some athletic sneaker brands recommend 1.5 sizes, the standard last offset is 1 size.
Q.What is the width difference between US Women and US Men shoes?
A standard US Women medium width is 'B', while a standard US Men medium width is 'D'. When women buy men's shoes, they should be aware that men's shoes will fit slightly wider.