
You order a top online, the label says XXL, and upon receipt, the garment is tight at the shoulders or loose at the waist. The problem does not lie with your body; it stems from the ambiguity surrounding the correspondence between letter sizes and number sizes. In France, women’s XXL can refer to a size 48, 50, or even 52 depending on the brand. Understanding the actual measurements behind this label helps avoid returns and disappointments.
Why women’s XXL does not have a unique numerical size
One might expect that an XXL would correspond to the same French size everywhere. In practice, this is not the case. Some guides place XXL at a size 44, others at 46-48, and several plus-size brands associate it more with size 50.
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This dispersion can be explained by the lack of a single standard in ready-to-wear fashion. Each brand builds its own size chart, with different centimeter ranges for the same label. Kiabi, Afibel, Arod, or La Boutique Officielle do not use the same scale, and an XXL at one may correspond to an XL at another.
When looking for the numerical size XXL for women, the only reliable answer comes from body measurements, not from the letter printed on the label.
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Size correspondence chart for women’s XXL: French sizes and measurements
Rather than remembering a single number, it is more efficient to use a chart that cross-references data from several brands. Here are the most common ranges for women’s XXL in France.
| French Size | Chest Measurement (cm) | Waist Measurement (cm) | Hip Measurement (cm) |
|---|---|---|---|
| 48 | 106 – 110 | 86 – 90 | 112 – 116 |
| 50 | 110 – 116 | 90 – 98 | 116 – 122 |
| 52 | 116 – 122 | 98 – 106 | 122 – 129 |
XXL generally covers sizes 48 to 52, with a gravitational center around size 50 for most French brands. Returns vary on this point depending on the brands, which is why it is always useful to check the size guide specific to each site.

Taking measurements to avoid confusion between a 48 and a 52
Ordering an XXL without knowing your measurements is like flipping a coin. Three measurements are enough to decide between a 48 and a 52, and the method takes less than two minutes with a soft measuring tape.
- Chest Measurement: measure at the fullest part of the chest, without compressing, arms at your sides. This is the primary measurement for tops, jackets, and dresses.
- Waist Measurement: take the measurement at the natural waistline (above the navel), without sucking in your stomach. This reference guides the choice of pants and skirts.
- Hip Measurement: measure at the widest part of the hips, over the buttocks. This measurement is crucial for fitted dresses, jeans, and straight pants.
If your measurements fall between two sizes in the chart, several guides (notably Kiabi) recommend choosing the larger size. A slightly loose garment is more comfortable than one that pulls at the seams.
In the case of structured garments
For a blazer or dress pants, a few centimeters difference can change comfort and fit. For this type of piece, prioritize the largest measurement among the three (chest, waist, hips) to determine the size to order.
International equivalents for women’s XXL: FR, UK, US, EU
Shopping on a foreign site complicates things further. The French XXL does not correspond to the same number as the British or American XXL. Here are the most common equivalents for the XXL range.
| Letter Size | FR Size | EU Size | UK Size | US Size |
|---|---|---|---|---|
| XXL | 48 – 50 | 48 – 50 | 20 – 22 | 16 – 18 |
| XXL (beach top) | 52 | 52 | 24 | 20 |
EU and FR sizes are often identical. However, a US size 16 already corresponds to a French XXL, which often confuses shoppers when buying from American sites. The gap with UK sizes is equally pronounced.

Beyond XXL: the plus-size grading
The plus-size segment does not stop at XXL. Several brands offer size charts ranging from 3XL to 7XL. At Arod, 3XL corresponds to a French size 54/56. At Tommy Hilfiger, the women’s range extends up to 7XL. Moving from XXL to 3XL often represents a jump of two French sizes, not just one.
Body shape and cut: what the chart doesn’t say
A size correspondence chart provides a framework, not a guarantee. Two women with the same chest measurement can have very different body shapes (broad shoulders and a slim waist, or a short torso and wide hips). The cut of the garment is as important as the displayed size.
A high-waisted jean in XXL will not fall the same way as a low-waisted jean in the same size. For jeans, the inseam adds an additional variable that the simple XXL/50 conversion does not cover.
For fluid garments (tunic tops, flared dresses), one can often go down a size compared to the chart. For fitted pieces (skinny jeans, tailored jackets), it is better to stick to the size indicated by the largest measurement.
Comparing your measurements to the size guide of each brand remains the most reliable method before placing any order. XXL labels are not all equal, but your centimeters do not change from one site to another.