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Bra size conversion chart: US, UK, EU, France, Italy, Australia, Japan

Convert bra band and cup sizes between US, UK, EU, China, France, Italy, Australia and Japan – every band from 28 to 48 and cups from AA up.

Quick answer

A US 34C bra is UK 34C, EU 75C, France 90C, Italy 3C, Australia 12C and Japan C75.

A bra size has two parts: the band (the number) and the cup (the letter). The US and UK use inches for the band, Europe and Japan use centimeters, France adds 15 to the European band, Italy and Australia use their own small numbers – and above D the cup letters start to differ.

Find your size in the first column (US) or in the column of the country you usually buy from, and read across the row.

Bra size conversion chart

US UK EU China France Italy Australia Japan
28AA 28AA 60AA 60AA 75AA 0AA 6AA AA60
28A 28A 60A 60A 75A 0A 6A A60
28B 28B 60B 60B 75B 0B 6B B60
28C 28C 60C 60C 75C 0C 6C C60
28D 28D 60D 60D 75D 0D 6D D60
28DD 28DD 60E 60E 75E 0E 6DD E60
28DDD 28E 60F 60F 75F 0F 6E F60
28G 28F 60G 60G 75G 0G 6F G60
28H 28FF 60H 60H 75H 0H 6G H60
28I 28G 60I 60I 75I 0I 6H I60
28J 28GG 60J 60J 75J 0J 6I J60
28K 28H 60K 60K 75K 0K 6J K60
30AA 30AA 65AA 65AA 80AA 1AA 8AA AA65
30A 30A 65A 65A 80A 1A 8A A65
30B 30B 65B 65B 80B 1B 8B B65
30C 30C 65C 65C 80C 1C 8C C65
30D 30D 65D 65D 80D 1D 8D D65
30DD 30DD 65E 65E 80E 1E 8DD E65
30DDD 30E 65F 65F 80F 1F 8E F65
30G 30F 65G 65G 80G 1G 8F G65
30H 30FF 65H 65H 80H 1H 8G H65
30I 30G 65I 65I 80I 1I 8H I65
30J 30GG 65J 65J 80J 1J 8I J65
30K 30H 65K 65K 80K 1K 8J K65
32AA 32AA 70AA 70AA 85AA 2AA 10AA AA70
32A 32A 70A 70A 85A 2A 10A A70
32B 32B 70B 70B 85B 2B 10B B70
32C 32C 70C 70C 85C 2C 10C C70
32D 32D 70D 70D 85D 2D 10D D70
32DD 32DD 70E 70E 85E 2E 10DD E70
32DDD 32E 70F 70F 85F 2F 10E F70
32G 32F 70G 70G 85G 2G 10F G70
32H 32FF 70H 70H 85H 2H 10G H70
32I 32G 70I 70I 85I 2I 10H I70
32J 32GG 70J 70J 85J 2J 10I J70
32K 32H 70K 70K 85K 2K 10J K70
34AA 34AA 75AA 75AA 90AA 3AA 12AA AA75
34A 34A 75A 75A 90A 3A 12A A75
34B 34B 75B 75B 90B 3B 12B B75
34C 34C 75C 75C 90C 3C 12C C75
34D 34D 75D 75D 90D 3D 12D D75
34DD 34DD 75E 75E 90E 3E 12DD E75
34DDD 34E 75F 75F 90F 3F 12E F75
34G 34F 75G 75G 90G 3G 12F G75
34H 34FF 75H 75H 90H 3H 12G H75
34I 34G 75I 75I 90I 3I 12H I75
34J 34GG 75J 75J 90J 3J 12I J75
34K 34H 75K 75K 90K 3K 12J K75
36AA 36AA 80AA 80AA 95AA 4AA 14AA AA80
36A 36A 80A 80A 95A 4A 14A A80
36B 36B 80B 80B 95B 4B 14B B80
36C 36C 80C 80C 95C 4C 14C C80
36D 36D 80D 80D 95D 4D 14D D80
36DD 36DD 80E 80E 95E 4E 14DD E80
36DDD 36E 80F 80F 95F 4F 14E F80
36G 36F 80G 80G 95G 4G 14F G80
36H 36FF 80H 80H 95H 4H 14G H80
36I 36G 80I 80I 95I 4I 14H I80
36J 36GG 80J 80J 95J 4J 14I J80
36K 36H 80K 80K 95K 4K 14J K80
38AA 38AA 85AA 85AA 100AA 5AA 16AA AA85
38A 38A 85A 85A 100A 5A 16A A85
38B 38B 85B 85B 100B 5B 16B B85
38C 38C 85C 85C 100C 5C 16C C85
38D 38D 85D 85D 100D 5D 16D D85
38DD 38DD 85E 85E 100E 5E 16DD E85
38DDD 38E 85F 85F 100F 5F 16E F85
38G 38F 85G 85G 100G 5G 16F G85
38H 38FF 85H 85H 100H 5H 16G H85
38I 38G 85I 85I 100I 5I 16H I85
38J 38GG 85J 85J 100J 5J 16I J85
38K 38H 85K 85K 100K 5K 16J K85
40AA 40AA 90AA 90AA 105AA 6AA 18AA AA90
40A 40A 90A 90A 105A 6A 18A A90
40B 40B 90B 90B 105B 6B 18B B90
40C 40C 90C 90C 105C 6C 18C C90
40D 40D 90D 90D 105D 6D 18D D90
40DD 40DD 90E 90E 105E 6E 18DD E90
40DDD 40E 90F 90F 105F 6F 18E F90
40G 40F 90G 90G 105G 6G 18F G90
40H 40FF 90H 90H 105H 6H 18G H90
40I 40G 90I 90I 105I 6I 18H I90
40J 40GG 90J 90J 105J 6J 18I J90
40K 40H 90K 90K 105K 6K 18J K90
42AA 42AA 95AA 95AA 110AA 7AA 20AA AA95
42A 42A 95A 95A 110A 7A 20A A95
42B 42B 95B 95B 110B 7B 20B B95
42C 42C 95C 95C 110C 7C 20C C95
42D 42D 95D 95D 110D 7D 20D D95
42DD 42DD 95E 95E 110E 7E 20DD E95
42DDD 42E 95F 95F 110F 7F 20E F95
42G 42F 95G 95G 110G 7G 20F G95
42H 42FF 95H 95H 110H 7H 20G H95
42I 42G 95I 95I 110I 7I 20H I95
42J 42GG 95J 95J 110J 7J 20I J95
42K 42H 95K 95K 110K 7K 20J K95
44AA 44AA 100AA 100AA 115AA 8AA 22AA AA100
44A 44A 100A 100A 115A 8A 22A A100
44B 44B 100B 100B 115B 8B 22B B100
44C 44C 100C 100C 115C 8C 22C C100
44D 44D 100D 100D 115D 8D 22D D100
44DD 44DD 100E 100E 115E 8E 22DD E100
44DDD 44E 100F 100F 115F 8F 22E F100
44G 44F 100G 100G 115G 8G 22F G100
44H 44FF 100H 100H 115H 8H 22G H100
44I 44G 100I 100I 115I 8I 22H I100
44J 44GG 100J 100J 115J 8J 22I J100
44K 44H 100K 100K 115K 8K 22J K100
46AA 46AA 105AA 105AA 120AA 9AA 24AA AA105
46A 46A 105A 105A 120A 9A 24A A105
46B 46B 105B 105B 120B 9B 24B B105
46C 46C 105C 105C 120C 9C 24C C105
46D 46D 105D 105D 120D 9D 24D D105
46DD 46DD 105E 105E 120E 9E 24DD E105
46DDD 46E 105F 105F 120F 9F 24E F105
46G 46F 105G 105G 120G 9G 24F G105
46H 46FF 105H 105H 120H 9H 24G H105
46I 46G 105I 105I 120I 9I 24H I105
46J 46GG 105J 105J 120J 9J 24I J105
46K 46H 105K 105K 120K 9K 24J K105
48AA 48AA 110AA 110AA 125AA 10AA 26AA AA110
48A 48A 110A 110A 125A 10A 26A A110
48B 48B 110B 110B 125B 10B 26B B110
48C 48C 110C 110C 125C 10C 26C C110
48D 48D 110D 110D 125D 10D 26D D110
48DD 48DD 110E 110E 125E 10E 26DD E110
48DDD 48E 110F 110F 125F 10F 26E F110
48G 48F 110G 110G 125G 10G 26F G110
48H 48FF 110H 110H 125H 10H 26G H110
48I 48G 110I 110I 125I 10I 26H I110
48J 48GG 110J 110J 125J 10J 26I J110
48K 48H 110K 110K 125K 10K 26J K110

Scroll the table to see every size.

Typical equivalents. Brands differ, so check the brand's own chart when it has one. Cup letters above D differ most between countries; try two sizes when unsure.

How to measure your bra size

  1. Band: measure snugly around your ribcage just under the bust, keeping the tape level.
  2. Bust: measure loosely around the fullest part of the bust.
  3. The difference between the two gives the cup: about 2.5 cm (1 in) per cup letter in US and UK sizes, 2 cm in EU sizes.
  4. Wear a non-padded bra while measuring, and try two sizes when you are between cups.

Questions

What is a 34C in European sizes?

A US/UK 34C is EU 75C and French 90C.

Why are French bra sizes 15 higher than EU sizes?

French bands are counted differently: a French 90 is the same band as an EU 75.

Are US and UK cup sizes the same?

Up to D they are. Above D they differ: the US often uses DD, DDD (or E, F…) while the UK uses DD, E, F, FF, G…