UK to US conversion

UK 36A in US Bra Size

Convert 36A from UK sizing to US sizing, with the full international table, sister sizes, and practical fit checks in one place.

Instant answer

36A (UK) =

36A US

In this sizing table, 36A in UK sizing converts to 36A in US sizing.

Full conversion table for 36A (US 36A)

36A bra size conversion across US, UK, EU, French, and Australian sizing.
US	UK	EU	FR	AU
36A	36A	80A	95A	14A

Bra sizing varies between brands. Use this as an accurate starting point and check the fit.

What this conversion means

36A is the UK label in this dataset, and it points back to 36A in US sizing. The band number may change a lot between systems, especially for EU and French labels, but the table keeps the intended fit target together.

Sister sizes for the US equivalent (36A)

Sister sizes: 34B can be worth checking when the cup volume feels close but the band needs a different feel.

What measurements make a 36A?

36A starts with the underbust, then adds cup depth from the bust measurement. In the current calculator formula, the closest starting range is about 35-37 inches (89-94 cm) under the bust and about 36.5-37.5 inches (93-95 cm) around the fullest part of the bust. The band comes from the underbust rounding, while the cup step comes from the difference between bust and band. This page uses 36A as the US equivalent for those measurement notes.

Is 36A big or small?

The label 36A can look more dramatic than it fits, especially across systems. In this size set, the US equivalent uses a middle band and a lower cup step. Cup letters are relative to the band, so a D on one band is not the same volume as a D on every other band. The most useful question is whether the band stays level and the cups hold smoothly, not whether the label sounds large or small.

If 36A doesn't fit right

Band rides up: The band may be too loose or stretched out; try a snugger band or compare the snugger sister size.

Cups gape: The cup may be too roomy, too deep, or pulled away by a loose band; check the band before changing cup volume.

Cups spill: The cup volume may be too small or the cup shape may be too closed; try one cup step up before changing the band.

Straps dig in: The straps may be compensating for a band that is not supporting enough; reset the band fit before tightening straps.

How 36A differs between brands

Brand sizing matters for 36A because cup depth, wire width, and band stretch are design choices. A firmer elastic can make the same band feel smaller, and a shallow or narrow cup can make the same cup letter feel different. Check the retailer chart, read fit notes when available, and compare the label against the brand and region sizing guide before treating the conversion as final.

Shopping for 36A

A good shopping path for 36A starts with everyday support, then moves into outfit-specific shapes. If the cup is in a lower or middle step, lightly lined T-shirt styles can make gaps easy to spot. Fuller cup steps often benefit from styles with steadier side support, deeper cups, or a balconette shape depending on breast shape. For special outfits, compare the fit needs in the outfit guides before choosing a strapless, plunge, or backless option.

Bras in your size

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Everyday Fit Store

Placeholder for a broad size range and return-friendly basics.

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Comfort Band Co.

Placeholder for supportive everyday styles by band and cup.

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Soft Cup Edit

Placeholder for wire-free and lounge options.

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FAQ

Is 36A the same as 36A in the US?

In this dataset, 36A (UK) converts to 36A in US sizing. Some brands publish their own charts, so use this as the closest standard label and still check the real fit.

What is 36A in European sizing?

36A (UK) matches the same base record as 80A (EU). The full table on this page shows each supported label side by side.

How do I check the fit of 36A?

Check that the band stays level, the cups sit smoothly without spilling or gapping, and the straps are not doing all the support work. The converted US size is a starting point, not a guarantee.

What sister sizes work with 36A?

34B are the closest sister-size options for 36A in this dataset. Try a sister size when cup volume feels close but the band needs to feel snugger or looser.

Why do bra sizes differ between countries?

Bra labels are written differently across US, UK, EU, French, and Australian systems. Cup letters can also diverge after D, so a converted label is a starting point rather than a promise of identical fit.

What measurements usually make 36A?

36A maps to US 36A here. The current calculator formula points to about 35-37 inches underbust and 36.5-37.5 inches bust, or roughly 89-94 cm and 93-95 cm. Treat that as a starting range and then check the real fit.