Women’s to Kids’ Shoe Size Conversions for Top Brands (HOKA, On Running, UGG & More)
Finding the right shoe size can be confusing when switching between women’s and kids’ sizing , especially since every brand fits a little differently. Whether you’re shopping for smaller-footed women who can wear youth sizes (and save money!) or buying shoes for teens who fit between ranges, this guide breaks down the most common conversions for popular brands like HOKA, On Running, UGG, Nike, and Adidas. Use this as a quick reference to make sizing easier and stress-free.
Below is a simple, easy-to-read conversion guide based on standard industry sizing plus known brand tendencies. Keep in mind that fit varies by model, and some brand conversions are approximate. When possible, check each shoe’s size chart for the most accurate fit.
👟 Standard Women’s to Kids’ Size Conversion
Use this as the baseline for most brands:
Women’s 5 = Kids’ 3
Women’s 5.5 = Kids’ 3.5
Women’s 6 = Kids’ 4
Women’s 6.5 = Kids’ 4.5
Women’s 7 = Kids’ 5
Women’s 7.5 = Kids’ 5.5
Women’s 8 = Kids’ 6.
Women’s 8.5 = Kids’ 6.5
Women’s 9 = Kids’ 7
The general rule of thumb is to size down 2 sizes to convert to women's; however, some popular brands you only go down 1.5 sizes so keep reading for brand specifics!
🏃♀️ HOKA Women’s to Kids’ Conversion
HOKA tends to run slightly small, especially in kids’ models.
Women’s size 6 = Kids’ 4.5–5
Women’s size 7 = Kids’ 5.5
Women’s size 8 = Kids’ 6–6.5
Women’s size 8.5 = Kids’ 7
Tip: Many women with sizes 5–7 can comfortably wear youth HOKA for huge savings.
🏃 On Running Women’s to Kids’ Conversion
On Running youth sizes run true-to-size compared to standard conversions.
Women’s 6 = Kids’ 4.5
Women’s 7 = Kids’ 5.5
Women’s 8 = Kids’ 6.5
Fit note: On’s kids’ Cloud models are slightly narrower, so size up if you have a wide foot.
🥿 UGG Women’s to Kids’ Conversion
UGG youth shoes are extremely popular for women because the Youth 6 = Women’s 8 equivalent often saves $20–$40.
Women’s 6 = Kids’ 4
Women’s 7 = Kids’ 5
Women’s 8 = Kids’ 6
Women’s 8.5 = Kids’ 6.5 (varies)
Women’s 9 = Kids’ 7
Most common swap:
➡️ Women’s 8 = Youth 6
➡️ Women’s 7 = Youth 5
👟 Nike Women’s to Kids’ Conversion
Nike youth sizes usually run slightly small, especially in Dunks, Air Force 1, and Jordans.
Women’s 6 = Youth 4.5
Women’s 7 = Youth 5.5
Women’s 8 = Youth 6.5
Women’s 8.5 = Youth 7
Tip: Many women with smaller feet buy Nike GS sizes (Grade School) for same look at lower price.
👟 Adidas Women’s to Kids’ Conversion
Adidas runs very true to chart and slightly roomier.
Women’s 6 = Kids’ 4.5
Women’s 7 = Kids’ 5.5
Women’s 8 = Kids’ 6.5
🩴 Crocs Women’s to Kids’ Conversion
Croc sizing is extremely similar across men/women/kids.
Women’s 6 = Kids’ 4
Women’s 7 = Kids’ 5
Women’s 8 = Kids’ 6