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XXXL & XXXXL Size Chart — US, UK, EU, CN, JP & IN

Enter your measurements to find an extended size, or compare XL through 5XL across six international sizing systems.

Find your extended size from body measurements

Add your bust or chest and waist. When the measurements fall in different rows, the calculator recommends the larger size for a more practical starting point.

Measure over light clothing with the tape level and comfortably snug. Enter either measurement or both for a recommendation.

Label size converter

Choose a familiar label to see its closest international equivalents and measurement range.

Women's XXXL & XXXXL Size Chart

Compare US, UK, EU, Chinese, Japanese, and Indian labels. Prioritize the bust, waist, and hip ranges over the printed label when buying across brands.

SizeUS sizeUK sizeEU sizeCN sizeJP sizeIN sizeBust (in / cm)Waist (in / cm)Hip (in / cm)
XL162046175/96A3LXL40–42" / 102–107 cm32–34" / 81–86 cm42–44" / 107–112 cm
XXL18–2022–2448–50180/100A4LXXL43–45" / 109–114 cm35–37" / 89–94 cm45–47" / 114–119 cm
XXXL22–2426–2852–54185/108A5LXXXL46–49" / 117–124 cm38–41" / 97–104 cm48–51" / 122–130 cm
XXXXL26–2830–3256–58190/116A6LXXXXL50–53" / 127–135 cm42–45" / 107–114 cm52–55" / 132–140 cm
5XL30–3234–3660–62195/124A7L5XL54–57" / 137–145 cm46–49" / 117–124 cm56–59" / 142–150 cm

Swipe horizontally to compare every market

See how XXXL and XXXXL garments look on realistic AI models

Turn an existing product photo into inclusive fashion visuals without arranging another photoshoot.

Generate plus size visuals

How to use XXXL and XXXXL sizing across markets

What does XXXL mean in different countries?

XXXL does not map to identical labels in every market. A women's US XXXL, usually sizes 22–24, maps approximately to UK 26–28, EU 52–54, CN 185/108A, and JP 5L. Check measurements before relying on the label.

XXXXL sizing in 2026

More brands now distinguish XXXXL or 4XL from 5XL. A women's XXXXL generally covers a 50–53 inch bust, but ease and fabric stretch still vary enough that each brand chart remains important.

XXXL vs 3XL and XXXXL vs 4XL

XXXL and 3XL are two ways to write the same label, just as XXXXL and 4XL are equivalent. Actual fit differences come from brand grading, garment cut, and fabric rather than the label format.

How to measure for extended sizing

Measure bust or chest at the fullest point, waist at the natural waistline, and hip at the fullest point. Keep the tape parallel to the floor and comfortably snug, then choose the size that accommodates your largest measurement.

Frequently asked questions

Women's XXXL typically corresponds to US 22–24, UK 26–28, EU 52–54, with a 46–49 inch bust and 38–41 inch waist. Men's XXXL typically covers a 49–51 inch chest and 43–45 inch waist.
Women's XXXXL or 4XL generally corresponds to US dress sizes 26–28, with a 50–53 inch bust. Men's XXXXL usually indicates a 52–54 inch chest, although letter sizing is not standardized between brands.
They are adjacent extended sizes and differ by about four inches in bust or chest measurement in this reference. Women's XXXL covers a 46–49 inch bust, while XXXXL covers 50–53 inches.
Women's XXXL converts approximately to EU 52–54 and XXXXL to EU 56–58. Men's XXXL maps to EU 58 and XXXXL to EU 60 in this chart.
Yes. Fashion Diffusion's AI plus size model generator includes an Extended body option for XXXL and XXXXL fashion visuals. Upload a garment or model image to preview realistic fit, proportions, and drape.

These measurements are general 2026 industry references, not universal standards. Brand sizing may vary by 1–2 inches. CN labels follow height and body-circumference conventions; JP uses extended L labels; Indian sizing often mirrors international letter sizes. Last reviewed August 2026.