Youth to Women's Shoe Size Conversion Chart
Save 20% to 40% on sneakers by shopping youth sizes. Use the universal 1.5 size rule to convert Big Kid sizes (3.5Y–7Y) to Women's US sizes with confidence.
Quick Answer (Youth to Women's Sizing):
To convert youth shoe sizes to women's, add 1.5 to the youth size (e.g., Youth 5Y = Women's 6.5). Conversely, subtract 1.5 from your women's size to find your youth equivalent (e.g., Women's 7 = Youth 5.5Y). Youth (Grade School GS) shoes feature a standard Men's D width and cost $25 to $40 less for identical sneaker models.
The Golden Rule of Youth-to-Women's Sizing
Youth to Women's
Youth + 1.5
Example: 5Y + 1.5 = 6.5 Women's
Women's to Youth
Women's – 1.5
Example: 7.5 – 1.5 = 6Y Youth
Valid for US footwear sizing standards across Nike, Jordan, Adidas, Vans, and Converse.
Calculate Your Youth Size & Price Savings
Select your adult women's shoe size below to instantly discover your Grade School (GS) equivalent and savings:
Master Youth vs. Women's Conversion Table
Official foot length measurements in inches and centimeters.
| Youth (Big Kid) | Women's (US) | UK Size | EU Size | Foot Length (Inches) | Foot Length (CM) |
|---|---|---|---|---|---|
| 3.5Y | 5.0 US | 3.0 | 35.5 | 8.63" | 21.9 cm |
| 4.0Y | 5.5 US | 3.5 | 36.0 | 8.75" | 22.2 cm |
| 4.5Y | 6.0 US | 4.0 | 36.5 | 8.94" | 22.7 cm |
| 5.0Y | 6.5 US | 4.5 | 37.5 | 9.13" | 23.2 cm |
| 5.5Y | 7.0 US | 5.0 | 38.0 | 9.25" | 23.5 cm |
| 6.0Y | 7.5 US | 5.5 | 38.5 | 9.44" | 24.0 cm |
| 6.5Y | 8.0 US | 6.0 | 39.0 | 9.63" | 24.5 cm |
| 7.0Y | 8.5 US | 6.5 | 40.0 | 9.75" | 24.8 cm |
Width & Last Considerations
Adult women's shoes are engineered around a B width (standard medium). In contrast, Youth (GS) shoes are built on a D width (men's standard).
If you have slender or narrow feet, youth shoes may feel slightly roomier across the ball of the foot. If you have medium to wide feet, youth sizing provides a comfortable, pressure-free fit.
Cushioning & Sole Architecture
Youth shoes are designed for lighter bodies (generally under 120 lbs). As a result, performance running shoes may feature slightly softer foam or simpler air units than adult models.
For casual wear, street sneakers, skate shoes, and lifestyle trainers, the materials and silhouettes are practically indistinguishable.
Frequently Asked Questions
Helpful fit allowances, measuring wisdom, and sizing advice for parents.
What is the formula to convert youth shoe sizes to women's?
The universal rule of thumb is to add 1.5 to the youth or big kid size. For example, a youth size 5Y equals an adult women's size 6.5. Conversely, subtract 1.5 from your women's size to find your youth equivalent.
What size is 4Y, 5Y, 6Y, and 7Y in women's shoes?
A 4Y equals Women's 5.5; a 5Y equals Women's 6.5; a 6Y equals Women's 7.5; and a 7Y equals Women's 8.5 (US sizing).
Are youth shoes the same width as women's shoes?
No. Youth (Big Kid) shoes are built on a standard Men's 'D' medium width last, while adult women's shoes are typically built on a narrower 'B' width last. Women with wider feet or bunions often find youth sizes significantly more comfortable.
Why do adults buy youth or big kids sneakers?
The primary reasons are pricing and availability. Identical sneaker models (such as Nike Air Force 1, Air Jordan, or Adidas Samba) in Youth / Grade School (GS) sizes typically retail for 25% to 40% less than adult women's versions.
Does Nike and Adidas use the exact same youth to women's offset?
Nike, Jordan, and New Balance strictly follow the 1.5 size offset (5Y = Women's 6.5). However, Adidas sizing charts generally recommend only a 1-size offset (5Y = Women's 6.0). Always compare EU sizes or foot length in centimeters when cross-shopping.