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Bra Size Converter
US · UK · EU · France · Australia · Japan — instant international conversion
Converted Bra Size
90B
US 34B = EU 90B
📏 How to Measure Your Bra Size
📎 Band: Measure under your bust, snug
📏 Bust: Measure around fullest part, loose
🔢 Subtract: Bust - Band = Cup size
💡 1" = A, 2" = B, 3" = C, 4" = D, 5" = DD
📊 Bra Size Conversion Chart
Band Size Conversion
US/CAUK/AUEUFR/ESJP
2828607560
3030658065
3232708570
3434759075
3636809580
38388510085
40409010590
42429511095
4444100115100
Cup Size Conversion
US/CAUK/AUEU/FRJP
AAAAAAAA
AAAA
BBBB
CCCC
DDDD
DD/EDDEE
DDD/FEFF
GFGG
HFFHH
IGII
JGGJJ
KHKK
👯 Sister Sizes (Same Cup Volume)
If 34B is tight → try 36A
If 34B is loose → try 32C
Rule: Band up = Cup down, Band down = Cup up
💡 Bra Fitting Tips
👗 80% of women wear wrong bra size
🔄 Replace bras every 6-12 months
🧺 Hand wash to maintain shape
📏 Measure every 6 months (weight changes)
👙 5 sizing systems
📏 Band & cup conversion
👯 Sister size guide
🌍 International shopping