Kids Clothing Size Chart: Find a Better Starting Size

Measure your child’s height and weight, then compare both with the chart for the clothing you want to buy. Use the calculator’s suggested size as a starting point. If height and weight point to different sizes, consider the garment’s fit, your child’s waist measurement, and whether the item has adjustable features.

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Checked against sources October 20, 2026

A parent holding a flat book on a smiling preschooler’s head against a door frame to mark height, with folded clothes on a chair. — Height without shoes is a more reliable starting point than the age on a label. AI-generated editorial image. How we use images

Enter your child’s measurements

Height (no shoes)

Weight

Waist (optional, in)

For pants, shorts and skirts.

Results appear as you type. Nothing you enter leaves this page.

Kids clothing size chart by height and weight

Example ranges from Carter’s published size chart (pajama height and weight; bottoms waist). Check the chart for the product you are buying.

Toddler and kids clothing sizes with height, weight and waist
Size	Height (in)	Height (cm)	Weight (lb)	Weight (kg)	Waist, regular (in)
2TToddler	35–36.5	89–93	29–31	13.2–14.1	21
3TToddler	36.5–39	93–99	31–33	14.1–15.0	21.5
4TToddler	39–41.5	99–105	33–37.5	15.0–17.0	22
5TToddler	41.5–44	105–112	37.5–42	17.0–19.1	22.5
4Kids	40–42.5	102–108	34–38.5	15.4–17.5	22
5Kids	42.5–45	108–114	38.5–43	17.5–19.5	22.5
6Kids	45–48	114–122	43–50	19.5–22.7	23
7Kids	48–51.5	122–131	50–59.5	22.7–27.0	23.5
8Kids	51.5–53.5	131–136	59.5–69.5	27.0–31.5	24.5
10Kids	53.5–56	136–142	69.5–87	31.5–39.5	25
12Kids	56–58	142–147	87–97	39.5–44.0	26
14Kids	58–59.5	147–151	97–110	44.0–49.9	28

Kidowear · kidowear.xyz/tools/kids-clothing-size-calculator · Source: carters.com/size-chart (checked October 20, 2026). Metric values are converted.

How to use the Kids Clothing Size Calculator

Enter your child’s height and weight in the units you have. You can also enter a waist measurement when shopping for bottoms. The calculator compares those measurements with Carter’s published chart and suggests a US size from toddler sizes 2T to 5T or kids sizes 4 to 14.

Look at the height and weight results together. If they point to different sizes, the calculator shows that difference so you can decide which measurement matters more for the garment. The full chart is available alongside the result, making it easier to see nearby sizes rather than relying on a single label.

Treat the result as a shopping starting point. Carter’s chart supplies the example ranges, including pajama and bottoms ranges, but the fit of another brand or a particular product may differ. Before ordering, compare your child’s measurements with the chart on that product page.

Check height when choosing a one-piece or deciding whether pants will be long enough.
Check waist when choosing bottoms, especially if the style offers different waist fits.
Use the full chart to review a nearby size when measurements fall near a boundary.

How to measure your child at home

For height, have your child stand without shoes with their heels against a wall. Place a flat object on top of their head, mark where it meets the wall, and measure from the floor to the mark. Use that body measurement in the calculator rather than estimating from the size of clothes they already own.

For waist, wrap a measuring tape around the natural waist over light clothing. Keep the tape snug but not tight. A waist measurement can be especially useful for bottoms, since Carter’s offers slim, regular, plus, and husky fits that differ by waist measurement.

Keep body measurements separate from measurements of a garment that fits well. A shirt or pair of pants includes its own cut and room for movement, so its dimensions serve a different purpose. When a product chart asks for chest, hip, or inseam as well as height or waist, measure the child’s body for those entries and use the well-fitting garment as a separate comparison.

Write down which measurements came from your child and which came from a garment.
Check the product chart’s measurement labels before comparing values.

Toddler sizes versus kids sizes

Toddler and kids labels can appear close while describing different cuts. On Carter’s example chart, 4T covers 39 to 41.5 inches and 33 to 37.5 pounds, while kids size 4 covers 40 to 42.5 inches and 34 to 38.5 pounds. Those ranges overlap, so measurements alone may leave both labels worth considering.

The distinction often comes down to shape. Toddler sizes usually allow more room for a diaper or a rounder toddler shape. Kids sizes are usually longer and slimmer. When comparing 2T vs 4 size, keep in mind that they belong to different sizing groups, and use the relevant chart ranges and garment cut to guide the choice.

Look at how the child currently wears similar clothes. If a toddler cut fits comfortably through the middle but seems short, or a kids cut has the right length but feels narrow, that observation can help you interpret the chart. The product’s own size information remains the best reference for its intended fit.

Compare both height and weight where toddler and kids ranges overlap.
Check the garment’s cut before choosing between a toddler and kids label.

What to do when your child is between sizes

Start with the measurement that affects the garment most. Height is useful for one-pieces and pants length, chest matters for tops and jackets, and waist matters for bottoms. If height suggests one size while weight suggests another, use those garment details to decide which fit issue is most likely to matter.

Consider how quickly your child is growing and whether the item can be adjusted. Adjustable waistbands and cuffs can make a nearby size easier to wear as the child grows. Extra length is useful only when the garment is comfortable and safe to wear now; too-long pants or dragging hems can create a tripping hazard.

A size suggestion cannot tell you how every style will sit on your child. Review the chart, the garment’s cut, and any fit details on the product page together. If the choice still seems close, a clear return policy gives you a practical way to check the fit at home.

Prioritize the measurement tied to the garment’s fit.
Look for adjustments that help the garment fit now.
Avoid hems that drag on the floor.

Why brands differ and how to read any kids clothing size chart

Every brand has its own chart, so the same size label is not a promise of the same fit. Age labels are rough guides; height and weight are more reliable starting points. For shopping decisions, use the chart for the specific product whenever it is available, even if a familiar size has worked before.

First, check whether the chart describes body measurements or measurements of the finished garment. Compare body measurements with body ranges, and compare a well-fitting garment with garment dimensions. Keep these comparisons separate so that built-in room or a different cut does not make a size appear misleading.

Then check which measurements the chart uses for that clothing type. A tops chart may make chest especially useful, while a bottoms chart may give waist more importance. Carter’s bottoms options also include slim, regular, plus, and husky fits, so a size label may need a waist fit choice as well.

Read the measurement labels and units before comparing.
Use age as context rather than the deciding measurement.
Check the specific item’s chart instead of assuming brands match.

Buying ahead, shopping online, and handling returns

Buying ahead can make sense when you know which measurements the future garment needs to accommodate, but do not let a larger label replace a fit check. Look at the child’s current measurements, the chart, and any adjustable features. Choose clothing that can be worn comfortably when needed, especially for items where length affects movement.

When shopping online, keep the product chart open while reviewing the description and images. Check whether the listing explains its cut, waist options, or adjustable cuffs. If the seller provides garment measurements, compare them with a similar item that already fits your child, while keeping those dimensions separate from body measurements.

Read the return terms before ordering, particularly when your child falls between chart ranges or is trying a new brand. Once the item arrives, check comfort and movement as well as length. If the fit is wrong, the product’s chart and your saved measurements can help you choose a better size or cut for an exchange.

Save current body measurements for future product-chart comparisons.
Check return terms before buying an unfamiliar size.
Assess the actual fit before removing tags or washing the item.

Frequently asked questions

Is a kids clothing size chart by age accurate?

Age labels are rough guides, not a dependable fit measurement. Children of the same age can need different clothing sizes, and brands use different charts. Measure your child’s height and weight, then compare those figures with the chart for the specific product. Use chest or waist measurements when the garment and its chart call for them.

What is the difference between 4T and kids size 4?

The ranges overlap, but the cuts usually differ. Carter’s example lists 4T at 39 to 41.5 inches and 33 to 37.5 pounds, and kids size 4 at 40 to 42.5 inches and 34 to 38.5 pounds. Toddler sizes usually offer more room for a diaper or rounder shape, while kids sizes are usually longer and slimmer.

What if height and weight suggest different sizes?

Use the calculator’s difference as a cue to inspect the garment more closely. Height often matters for a one-piece or pants length, chest for a top or jacket, and waist for bottoms. Compare both nearby sizes on the full chart, then consider the cut and any adjustable waistband or cuffs. Check that extra length will not leave hems dragging.

Can I use this calculator for any clothing brand?

The calculator uses Carter’s published chart as its example, so its suggested size is a starting point for other brands. Each brand may define sizes differently, and even a particular product may have its own chart. Take your child’s measurements to that product’s chart before buying. Check whether its entries describe the child’s body or the finished garment.

Should I size up so my child can grow into clothes?

Consider growth along with the fit needed today. Adjustable waistbands or cuffs may help a nearby size remain wearable, but a larger size still needs to be comfortable and safe now. Check pants length so hems do not drag. If your concern is about your child’s growth itself rather than clothing fit, speak with their pediatrician.

Sources behind this tool

Numbers and lists in the tool come from these public pages, checked on October 20, 2026. The tool is a planning aid, not medical, developmental or fitting advice.

Spotted a wrong number? Tell us and read our editorial policy.