Hanfu Sizing for Kids: The cm Height Chart (With US Ages) and When to Size Up

Why Hanfu Sizing Confuses Overseas Parents

A parent in Texas orders a “5T” hanfu. It arrives. It fits a child who wears 4T at home — or it swallows a 6-year-old whole. The problem is not the garment. It is that Chinese children’s clothing is sized by height in centimeters, and almost nothing on the label mentions US ages at all.

This guide fixes that. Below you will find a cm-to-US-age conversion chart built for hanfu specifically, the “one size up” rule (and when it does not apply), how to measure your child in ninety seconds, and the fit details that matter most for a layered, traditional outfit. By the end, sizing will be the easiest part of ordering.

The Rule to Remember: Height First, Age Second

Chinese kids’ clothing uses a simple code: the number on the tag is the child’s height in centimeters. A “120” hanfu is cut for a child around 120 cm tall. Age labels are almost never printed, because two six-year-olds can differ by a full head — and height predicts fit far better than age ever will.

So before you look at any size chart, do one thing: measure your child’s current height in centimeters. Not last month’s pediatrician number — this week’s. Children grow in spurts, and hanfu sizing walks right up to the measurement rather than trailing it by a season.

Hanfu Size Chart: cm to US Age Conversion

Use this table as your starting point. It converts the most common children’s hanfu sizes to approximate US ages, based on standard growth curves.

Size Tag (cm)	Child’s Height	Approx. US Age	Approx. US Size
90 cm	85–95 cm	2–3 years	2T–3T
100 cm	95–105 cm	3–4 years	3T–4T
110 cm	105–115 cm	4–5 years	4T–5T
120 cm	115–125 cm	6–7 years	US 6–7
130 cm	125–135 cm	7–9 years	US 7–8
140 cm	135–145 cm	9–10 years	US 10
150 cm	145–155 cm	11–12 years	US 12
160 cm	155–165 cm	13–14 years	US 14

Two notes on reading the table. First, each size covers a 10 cm range, not a single height — a 120 fits a child from roughly 115 to 125 cm. Second, if your child sits exactly on a boundary (say, 115 cm), treat it as a signal to size up, for reasons the next section explains.

The “Buy One Size Up” Rule — and Its Exceptions

Ask any experienced hanfu parent and you will hear the same advice: buy one size up. There is a real reason it works, and it has nothing to do with vanity sizing.

Why sizing up works for hanfu

Traditional hanfu closes with wrapped collars, waist ties, and ribbon knots — not elastic. That means the garment adjusts to the child instead of stretching around them. A 110 ruqun on a 105 cm child does not look oversized; the waist ties simply cinch a little tighter. And because kids grow 6–8 cm a year at this age, the extra centimeters buy you a second season of wear. In hanfu culture this is not a hack, it is the traditional approach: garments were deliberately sewn with room to grow and then adjusted with each tie.

Where the rule flips

• Modern qipao (cheongsam): do not size up. The straight, fitted cut depends on close tailoring; a size up gapes at the chest and sags at the shoulders. Buy the measured size, or between two sizes, take the smaller one.
• Structured tang suit jackets: they behave like blazers. One size up is fine for layering over a sweater in winter, but two sizes up makes the shoulders droop past the arm.
• Padded winter hanfu: these are cut generous already. Buy the measured height, not a size above it.

So the full rule is: size up one for tied, layered hanfu; buy true to height for anything fitted or already padded.

Measure Your Child in 90 Seconds

Three measurements cover almost every children’s hanfu listing:

• Height — shoes off, heels against a wall, mark the top of the head, measure from floor to mark. This chooses the size.
• Chest — around the fullest part, tape snug but not tight. Compare it to the garment’s “flat measurement × 2” plus recommended ease. Layered hanfu needs at least 10–14 cm of ease over body chest so the wrap closes comfortably.
• Skirt or robe length — from waist to where you want the hem. For daily wear and school events, a hem that ends mid-calf or just below the knee is the sweet spot: long enough to look traditional, short enough for stairs and playgrounds.

Write the three numbers in your phone once. Every future order becomes a 30-second comparison instead of a guess.

Fit Details That Matter More Than the Size Number

Sleeves

Hanfu sleeves are wide by design, but the cuff should land at the wrist bone, not over the knuckles. A child holding a paintbrush or a snack with sleeves in the way will give up on the outfit fast.

The wrap and the neckline

The crossed collar should lie flat against the chest with no gap when the child sits. If it pulls open at the collarbone, the top is too small through the chest — the classic sign you sized down instead of up.

Hems and stairs

Full-length skirts photograph beautifully and fight with staircases. For anything involving classrooms, theaters, or elderly relatives’ homes, keep hems clearing the floor by several centimeters even after the size-up.

Room for a base layer

Autumn and winter hanfu is worn over long-sleeve tees or turtlenecks. If your child is between sizes and the season is cold, that settles it: go up.

The Practical Trio: Washing, Safety, Movement

Sizing questions rarely travel alone, so here are the three companions every parent asks about.

Can hanfu go in the washing machine?

Most cotton and cotton-linen children’s hanfu can: cold water, gentle cycle, inside a mesh laundry bag, then hang dry. Turn anything embroidered inside out first. Velvet and satin pieces are the exceptions — hand wash cold or dry clean, because machine tumbling crushes velvet pile. Always check the product’s care note; if a listing is silent, assume the delicate treatment.

Is it safe for toddlers?

Check three construction details before buying small sizes: frog buttons should be stitched through the fabric, not just knotted on; waist ties should sit at the waist, never dangling near the neck; and hems for new walkers should stay above mid-calf. Reputable makers answer questions about these details willingly — ask before ordering rather than after.

Can a child actually move in it?

The three-point test: your child should sit cross-legged on the floor, climb one playground step, and raise both arms overhead — all without the outfit riding up or binding. Roomy hanfu cuts pass this easily; that is one of the style’s genuine advantages over formal Western party clothes. If any move fails, the fix is almost always one size up, not one size down.

Frequently Asked Questions

My child is between sizes — which do I pick?

For tied, layered hanfu: the larger size, every time. For fitted qipao: the smaller. For padded winter sets: buy the size that matches height exactly.

How much room to grow should I allow?

One size up already includes it. The 10 cm range built into each size, plus adjustable ties, typically covers 8–12 months of growth. Going up two sizes backfires — the wrap collar gapes and the sleeves swallow the hands.

Do hanfu shrink in the wash?

Cotton-linen blends can shrink 2–3% on the first wash. It is one more quiet argument for the size-up rule. Wash cold and hang dry and the shrinkage is negligible after the first cycle.

What if the fit is wrong when it arrives?

Measure the garment flat (chest, length) and compare with the size chart from the seller before washing it. This is another reason to buy from a specialist children’s hanfu maker with responsive support rather than a marketplace reseller — start on our about page to see who you are buying from.

Are sizes the same across all your collections?

They follow the same cm logic, but silhouettes differ: sweatshirt sets run roomy, vest-dress sets run true, and tulle-skirt sets fit closest to measurement. Each collection page notes the cut; when in doubt, message us with your child’s height and we will recommend a size.

Can I size up for a growth-spurt photo planned months ahead?

Yes — for hanfu and tang suits, order the size for the height you expect on the day, not today’s height. Add the expected growth (about 2 cm per three months for school-age kids) and pick that size. For fitted styles, plan fittings closer to the date instead.

The Bottom Line

Hanfu sizing is simpler than it looks: measure height in cm, match it to the size tag, and buy one size up for tied and layered styles — but never for fitted qipao or padded sets. Do that, wash it gentle, run the three-move test, and the outfit will fit today and still fit next season. When you are ready to pick a style, the lookbook shows current designs on real kids, and our wholesale page serves shops and photographers ordering multiple sizes at once.