Can I use the same measurements across different brands?

Yes, and that is their main advantage over a size label. But account for how each brand grades, since average within-brand variance is around 4.2 cm.

Why do brands grade differently?

Each brand targets a slightly different customer and uses its own block. Once you know how a brand runs relative to your measurements, that offset becomes predictable.

Can I Use Body Measurements to Shop Multiple Brands?

A size label is meaningless across brands. Measurements are not. Your waist is 78 cm whether you are buying from one label or another, and any brand chart can be compared against that number.

This is the core advantage

A size label is meaningless across brands. Measurements are not. Your waist is 78 cm whether you are buying from one label or another, and any brand chart can be compared against that number.

A 2025 survey of 687 shoppers found 91% said their size depends on the brand, which is exactly the problem measurements dissolve.

The method

Record your measurements once: chest, waist, hip, shoulder, neck, inseam, arm.
For each brand, compare the chart to your numbers.
Note the offset. If a brand charts your waist as a 38 when it is 78, you have learned that they run large.
Apply that offset permanently to that brand.

Why an offset exists at all

Brands use different base sizes, different blocks, and different intended fits. The same nominal size across two labels can differ by several centimetres on the body.

Research measuring over 1,000 garments across 50 UK brands found 4.2 cm of average variance within a brand and category, and only 64% of garments matched their own chart within 1 cm.

So your measurements are stable and portable; the brand's chart is local. Comparing the two once is the entire workflow.

Account for ease

Comparing against a body chart is not the same as comparing against the garment. NMSU Extension specifies 3 to 4 inches of ease on the bust and 1 to 2 inches from nape to waist, with negative ease for stretch knit.

A brand charting a fitted garment at your exact bust measurement is producing something you will not fit into, correctly.

The calibration payoff

After a few purchases per brand you hold a private map: how this brand's medium runs on you, how its large runs, which of its fabrics stretch. That map is more reliable than any tool, because it is calibrated against your body specifically.

Once it exists, ordering from that brand becomes a one-step decision.

The limits

Sizing inconsistency is worst at larger sizes, where chart accuracy fell to 54% at UK 20-22.
Some brands do not publish usable charts.
Fit reviews still carry information your measurements cannot.

Bottom line

Measurements make cross-brand shopping possible. They do not make it automatic, because brands have not standardised. The gap between those two statements is the entire industry problem.

See what brands should publish.