Kids' Sizing Guide
Kids' T-Shirt & Hoodie
Size Chart
Age, height, and chest-based sizing guide for children from 0 months to 14 years. Find the perfect fit with built-in growth allowances.
Kids' Sizing Charts (Inches & CM)
Sizes are organized by age group with corresponding height ranges. For best results, measure your child's chest circumference and height.
Kids & Youth Crewneck T-Shirt
| Size | Age Group (in) | Chest (in) | Length (in) | Shoulder (in) | Sleeve (in) |
|---|---|---|---|---|---|
| 0 | 0–12 months | 20 | 12.5 | 9 | 4.5 |
| 1 | 12–23 months | 22 | 14 | 10 | 5 |
| 2 | 2–3 years | 24 | 15.5 | 11 | 5.5 |
| 3 | 3–4 years | 26 | 17 | 12 | 6 |
| 5 | 5–6 years | 28 | 18.5 | 13 | 6.5 |
| 7 | 7–8 years | 30 | 20 | 14 | 6.5 |
| 9 | 9–10 years | 32 | 21.5 | 15 | 7 |
| 11 | 11–12 years | 34 | 23 | 16 | 7 |
| 13 | 13–14 years | 36 | 24.5 | 17 | 7.5 |
All measurements are of the finished garment. Chest is full circumference.
Kids & Youth Pullover Hoodie
| Size | Age Group (in) | Chest (in) | Length (in) | Shoulder (in) | Sleeve (in) |
|---|---|---|---|---|---|
| 2 | 2–3 years | 26 | 16 | 11.5 | 13 |
| 4 | 4–5 years | 28 | 17.5 | 12.5 | 15 |
| 6 | 6–7 years | 30 | 19 | 13.5 | 16.5 |
| 8 | 8–9 years | 32 | 20.5 | 14.5 | 18 |
| 10 | 10–11 years | 34 | 22 | 15.5 | 19.5 |
| 12 | 12–13 years | 36 | 23.5 | 16.5 | 21 |
All measurements are of the finished garment. Chest is full circumference.
Smart T-Shirt Size Finder
Input your body measurements or an existing t-shirt's dimensions to get an instant, precision fit recommendation with international conversions.
Fullest part of chest under arms.
Helps verify optimal torso length.
Measured straight across flat tee chest.
From highest shoulder point to bottom.
Leave empty to calculate automatically from age group.
Recommended Size
M
Round Neck T-Shirt
International Equivalencies
Measurement Diagram
Active DimensionGetting the Right Fit for Growing Kids
Age is Only a Baseline
Children grow at vastly different speeds. A 5-year-old might match the height and chest of a 7-year-old chart. Always measure chest & height.
Growth Allowance Factor
For fast-growing toddlers and young children (ages 1–8), sizing up by one tier gives comfortable drape and an extra 6–9 months of wear time.
Check Torso Length
Active play requires adequate shirt length so the hem doesn't ride up when bending or stretching. Check the collar-to-hem spec.
Fabric Breathability & Shrinkage
Kids' 100% cotton tees can shrink slightly in hot water washes. We advise choosing pre-shrunk cotton or sizing up.
How to Measure Your Child
Frequently Asked Questions
Everything You Need to Know About Sizing
What is a t-shirt size chart?
A t-shirt size chart is a standardized reference guide that maps letter sizes (such as XS, S, M, L, XL, 2XL) to exact physical body dimensions and finished garment measurements in inches and centimeters. It includes key data points such as chest circumference, body length, shoulder width, and sleeve length, helping shoppers select the perfect fit across different clothing brands, cuts, and international sizing standards.
Is a 42 shirt size M or L?
In standard apparel sizing, a size 42 is classified as a Large (L). A size 42 t-shirt or shirt corresponds to a 42-inch (106.7 cm) chest circumference (or 21 inches laid flat armpit-to-armpit). It is designed to comfortably fit an individual with an actual body chest measurement of 38 to 40 inches, providing the recommended 2 to 4 inches of wearing ease.
How do I decide my T-shirt size?
To decide your ideal t-shirt size: 1. Measure your body chest circumference: Wrap a flexible tape around the fullest part of your chest under your armpits. 2. Add your desired ease: Add 0–1 inch for a Slim fit, 2–3 inches for a Classic/Regular fit, or 4–6 inches for an Oversized/Relaxed fit. 3. Match to the size chart: Compare your total calculated chest measurement with the garment chest on the size chart. 4. Alternatively, measure an existing favorite tee laid flat from armpit to armpit and multiply by 2.
What size T-shirt for 5'10"?
For an average man who is 5'10" (approx. 178 cm): • Slim / Lean Build (Chest 36–38"): Size Medium (M) with a typical garment length of 27–28 inches. • Athletic / Average Build (Chest 39–41"): Size Large (L) with a typical garment length of 28–29 inches. • Broad / Heavy Build (Chest 42–44"+): Size XL or 2XL. At 5'10", standard regular t-shirts with a length of 27.5 to 29 inches will hit ideally around mid-fly on your pants.
What size shirt should a 5'4" guy wear?
For a man who is 5'4" (approx. 162 cm): • Lean Build (Chest 34–36"): Size Small (S) or Extra Small (XS) with a preferred garment length of 25–26 inches. • Average Build (Chest 37–39"): Size Medium (M). Look for brands offering a slightly shorter torso length (26–27 inches) so the t-shirt does not drape too far below the hips. • Sizing Tip: Avoid tall or longline cuts, and look for standard or custom short fits for balanced proportions.