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Bra Size Converter
ConvertisseurTranslate global bra sizing conventions.
ttb run bra-size
US (United States)
34C
UK (United Kingdom)
34C
EU (Europe Standard)
75C
FR/ES (France/Spain)
90C
AU/NZ (Australia/NZ)
12C
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Comment utiliser Bra Size Converter
Enter your band measurement (snug around ribcage) and bust measurement (at the fullest point). The calculator determines your bra size with the letter cup size. It converts between US, UK, EU, and international sizing systems. Includes tips for getting the most accurate measurements at home.
1
Enter your parameters
Configure the inputs for the Bra Size according to your specific needs.
2
View real-time results
The utility instantly processes your request and displays the calculated outputs directly in your browser.
3
Copy or Download
Click the copy icon next to the final output to instantly grab the result, or export it if applicable.
Questions fréquentes
How do I measure my bra size?+
Band: measure snugly around your ribcage, directly under your bust. Bust: measure loosely around the fullest part of your bust. The difference between bust and band measurements determines your cup size (1 inch = A, 2 inches = B, 3 inches = C, etc.).
Why are US and UK cup sizes different?+
US and UK sizes match up to DD, then diverge. The US goes DD → DDD/F → G → H, while UK goes DD → E → F → FF → G → GG → H. A US G cup is approximately a UK F cup.