Calculateur de taille de soutien-gorge
Trouvez instantanément votre taille de soutien-gorge idéale à partir de vos mesures sous la poitrine et sous la poitrine. Prend en charge plus de 17 systèmes de dimensionnement internationaux, notamment aux États-Unis, au Royaume-Uni, dans l'UE, en FR, en AU et plus encore. Obtenez des tailles sœurs et des conversions de tailles avec des solutions étape par étape.
Vos mesures
Find Your Perfect Bra Size
Enter your underbust and bust measurements, select your sizing system, and click Calculate to instantly find your perfect bra size.
Complete Bra Size Guide
How to Measure Your Bra Size at Home
Your bra size consists of two parts: the band size (a number) and the cup size (a letter). The band size is your underbust measurement rounded to the nearest even number. The cup size is determined by the difference between your bust and band measurements. Getting accurate measurements is the first step to finding a comfortable, well-fitting bra.
Bra Size = Band Size (number) + Cup Size (letter)
Step-by-Step Measurement Instructions
1. Measure Your Underbust (Ribcage)
Wrap a measuring tape snugly around your ribcage, directly under your bust. Keep the tape level and parallel to the ground. This measurement determines your band size.
2. Measure Your Bust (Fullest Point)
Wrap the tape around the fullest part of your bust, typically at nipple level. Keep the tape level and not too tight. Wear a non-padded bra for the most accurate measurement.
3. Enter Measurements & Calculate
Entrez les deux mesures dans la calculatrice ci-dessus, sélectionnez votre unité et votre système de dimensionnement préférés, puis cliquez sur Calculer. Vous obtiendrez votre taille de soutien-gorge, vos tailles sœurs et vos tailles dans tous les 17+ systèmes internationaux.
3 Calculator Modes
Calculer la taille du soutien-gorge
Enter underbust & bust measurements to get your size in all systems with sister sizes.
Conversion de taille
Convert any bra size between US, UK, EU, FR, and 13+ other sizing systems.
Tailles sœurs
Find alternative sizes with the same cup volume but different band/cup combinations.
Systèmes de dimensionnement expliqués : États-Unis contre Royaume-Uni contre UE contre FR
US / CA / MX Sizing
Band sizes 28-50. Cup progression: AA, A, B, C, D, DD, DDD, G, H, I, J, K, L, M, N. Most common in North America.
Tailles UK / PK / IN / NZ / AU / ZA
Same band sizes. Different cup progression after D: DD, E, F, FF, G, GG, H, HH, J, JJ. Widely used in Commonwealth countries.
UE / IT / ES / DE / JP / CN / BR
Same band sizes as US. Cups: AA, A, B, C, D, E, F, G, H, I, J, K, L, M, N. Alphabetical progression.
FR (France) Sizing
Utilise des tailles de bande basées sur les centimètres (ajoutez 15 à la bande US/UK). Tasses identiques à l'UE. Exemple : US 34C = FR 49C.
What Are Sister Sizes?
Sister sizes are bra sizes that share the same cup volume but have different band and cup letter combinations. For example, 34C, 32D, and 36B are all sister sizes — they hold the same amount of breast tissue but distribute support differently.
Exemple : tailles sœurs de 34C
Bra Fitting Tips
- Wear a non-padded, well-fitting bra when measuring for the most accurate results.
- Sizes can vary between brands. Always try on when possible, and consider sister sizes.
- La bande doit être bien ajustée et de niveau autour de votre torse. Vous devriez pouvoir passer deux doigts en dessous.
- La partie centrale (panneau avant) doit reposer à plat contre votre poitrine.
- Si vous êtes entre deux tailles, augmentez une taille de bandeau et diminuez une taille de bonnet (ou vice versa) en utilisant des tailles sœurs.
Foire aux questions
How do I measure my bra size at home?
Measure your underbust snugly around your ribcage, then measure your bust at the fullest point. Enter both measurements into our calculator to get your size instantly.
What are sister sizes and when should I use them?
Sister sizes have the same cup volume but different band/cup combinations. Use them when your regular size isn't available or when a band feels too tight/loose.
How do US and UK bra sizes differ?
Band sizes are the same, but cup progressions differ after D. US: DD, DDD, G, H. UK: DD, E, F, FF, G, GG. Use our converter for accurate conversions.
Pourquoi la taille de mon soutien-gorge varie-t-elle selon les marques ?
Different brands use different fit standards and materials. Always try on bras when possible. Sister sizes can help you find a fit in brands that run differently.
Dois-je mesurer avec ou sans soutien-gorge ?
Wear a non-padded, well-fitting bra for the most accurate measurement. The bra should not add extra volume.