Uniqlo Kids
Here’s how Uniqlo Kids fits your child compared to other brands you might be considering, so you know before it’s in your cart.
Find your child’s size in Uniqlo Kids
Enter your child’s measurements once — we’ll size them in Uniqlo Kids and at 100+ other brands, each from that brand’s own published chart. Height and weight are required; add chest, waist, hips and inseam to sharpen the fit.
Your child wears one size in Uniqlo Kids. What should you buy elsewhere?
Pick the size your child wears at Uniqlo Kids to see which brands have the same label and measurements (twins) and which run shorter or longer (strangers) — based on each brand’s own chart.
Show the full cross-brand table (every size)
| Uniqlo Kids | Size twinssame number fits the same | Size strangerssame number, different cut |
|---|---|---|
| 0-3 months(50)17.7–21.6" | — | Primark Kids↑ longer |
| 3-6 months(60)21.6–25.6" | — | Mango Kids↑ longerPrimark Kids↑ longer |
| 6-12 months(70)25.6–29.5" | — | Mango Kids↑ longer |
| 12-18 months(80)29.5–33.5" | Mango Kids↑ longer | |
| 18-24 months(90)33.5–37.4" | None — consistent across brands | |
| 3 years(100)37.4–41.3" | Il Gufo↓ shorterBonpoint↓ shorterDisney Store (shopDisney)↓ shorterPrimary↓ shorterTea Collection↓ shorterNext Kids↓ shorter+5 more | |
| 3-4 years(110)41.3–45.3" | — | New Balance Kids↓ shorterMarks & Spencer↓ shorterPrimark Kids↓ shorterJoJo Maman Bébé↓ shorterMango Kids↓ shorterJoules Kids↓ shorter |
| 5-6 years(120)45.3–49.2" | — | Marks & Spencer↓ shorterPrimark Kids↓ shorterNew Balance Kids↓ shorterAdidas Kids↓ shorterJoules Kids↓ shorterJoJo Maman Bébé↓ shorter+1 more |
| 7-8Y(130)49.2–53.1" | ||
| 9-10Y(140)53.1–57.1" | None — consistent across brands | |
| 11-12Y(150)57.1–61" | None — consistent across brands | |
| 13Y(160)61–65" | — | No same-size match at other brands |
Sizes shown use Uniqlo Kids’ girls’/unisex chart where the brand splits by gender; boys’ sizes at the same number can run slightly taller.
In short
Where the number just works. At 18-24 months(90), 9-10Y(140), 11-12Y(150), 13Y(160), Uniqlo Kids lines up with every brand we track — the size carries straight over.
Where labels drift. The exceptions are the “strangers” above — e.g. at size 3 years(100), Il Gufo, Bonpoint, Disney Store (shopDisney) cut the same number differently. Check those before you trust the label.
Bottom line: for most sizes, a Uniqlo Kids number is a safe bet elsewhere — measure once, then double-check only the handful of “stranger” brands above.
Curious about a size that isn’t your child’s here? Every size, compared across every brand, lives here: Browse all size comparisons →
Fit & the transitions that trip parents up
Uniqlo Kids-specific things the size number alone won’t tell you — drawn from its own charts.
Sized in centimeters, shown with the age
Uniqlo uses Japanese, centimeter-based sizing — the 100–160 range, printed alongside the age like “5-6Y(120)”. Measure your child’s height and match the cm rather than carrying over a US number.
Runs small and slim — size up
The cut is narrow through the body, so most US kids size up one, and broader or taller kids sometimes two. The online size-assistant is unreliable, so size off your child’s real height and chest.
Specialty & inclusive fits
Which trimmer, roomier, or adaptive cuts Uniqlo Kids publishes alongside its standard sizes.
What shoppers say about the fit
Community consensus
Shopper opinion · not Little & Youth’s measurementThis is what parents report anecdotally — crowd sentiment, not a Little & Youth determination. Our sizing above is computed from Uniqlo Kids’ own published chart; the notes here come from public parent discussion.
Uniqlo Kids runs small and slim. Most US kids size up one, and broader or taller kids sometimes two. It uses Japanese, centimeter-based sizing cut narrow through the body, so a size reads snugger and shorter than the roomy US basics brands. Parents warn the online size-assistant is unreliable, so size off your child’s real height and chest against the cm chart. Uniqlo does carry a limited baby line (sized in centimeters), but the selection is much smaller than a dedicated baby brand and the core kids range runs from about 100 cm (age 3–4) up.
Based on anecdotal discussion from multiple publicly available online sources; your experience may differ.
Should you buy Uniqlo Kids?
Consider it if…
- You want quality basics for the price — Uniqlo’s cotton, fleece and down are a cut above typical value-tier fabric.
- You want minimalist, logo-light clothes — clean, simple staples in lots of colors, not graphics-driven.
- You want standout outerwear — its lightweight down and fleece are a signature: warm without the bulk.
Think twice if…
- You shop on Amazon — Uniqlo is direct-to-consumer; you’ll buy on uniqlo.com or in its stores.
- You need a big baby selection — Uniqlo does carry baby sizes (in cm), but the range is limited; the bulk of the line is age 3 (100 cm) and up.
- You want trend-forward or flashy — Uniqlo is deliberately plain and minimalist, not statement clothing.
Skip the cross-referencing — let Little & Youth do it.
Enter your child’s measurements once. We’ll show their Uniqlo Kids size and their size at 100+ other brands, each from that brand’s own chart.
Find my child’s size →Shop Uniqlo Kids ↗A few things parents ask that the chart won’t tell you
Why is Uniqlo sized in centimeters?
Uniqlo uses Japanese, height-based sizing in centimeters (100–160 cm; 110 ≈ age 4–5). Our comparison converts it from real height, and you can switch this page between inches and centimeters with the toggle above the table.
Should I trust Uniqlo’s online size assistant?
Parents report it’s unreliable — size off your child’s actual height and chest against the cm chart instead. Because Uniqlo runs slim, round up when your child is between sizes or broad through the body.
What measurements do I need to size Uniqlo Kids accurately?
Uniqlo Kids publishes height, weight, chest, waist in its size chart. Height is the primary driver, and the chest/waist figures let you confirm body fit for a child between sizes.
Do Uniqlo Kids boys’ and girls’ sizes fit the same?
From the bigger sizes up, Uniqlo Kids publishes separate girls’ and boys’ charts, so the same number can differ by gender. The figures on this page use Uniqlo Kids’ girls’/unisex chart.
Where do I buy Uniqlo Kids?
Uniqlo Kids is sold on its own site and through select retailers.