Bra Size | How to choose a bra for your daughter or you? | Table Conversion

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3 years ago

Bra Size

What are the criteria to consider before buying your first bra? At what age does he need it? With or without reinforcement? The following are bra size based on age, cm and inch conversions, along with international standard sizes.

Bra sizes by Age

Measuring your bra size

Measure round your rib cage under the breast
(called ‘under-bust’).
Measure around the fullest part of your breast
(called ‘over-bust’).
Find where these two measurements intersect on our bra guide chart to learn your bra and cup size.

Clothes Sizing Age	Bra size
Age 9	N/A
Age 10 – 11	30A /30B
Age 12-13	32A / 32B
Age 14-15	34A/34B

(Inches)	Overbust
Under-bust	29	30	31	32	33	34	35	36	37	38	39
23.5	28AA	28A	28B
25.5		30AA	30A	30B	30C
27.5			32AA	32A	32B	32C	32D	32DD	32E	32F
29.5				34AA	34A	34B	34C	34D	34DD	34E	34F
31.5					36AA	36A	36B	36C	36D	36DD	36E
33.5						38AA	38A	38B	38C	38D	38DD

Conversion Bra Size CM and INCH

Band Size Chart

US Band Size	Inches (in.)	Centimeters (cm.)
28	28	58 – 62
30	30	63 – 67
32	32	68 – 72
34	34	73 – 77
36	36	78 – 82
38	38	83 – 87
40	40	88 – 92
42	42	93 – 97
44	44	98 – 102
46	46	103 – 107
48	48	108 – 112
50	50	113 – 117
52	52	118 – 122
54	54	123 – 127
56	56	128 – 132
58	58	133 – 142
60	60	143+

Cup Size Chart

US Cup Size	Difference Between Bust Size and Band Size
	Inches (in.)	Centimeters (cm.)
AA	<1	10-11
A	1	12-13
B	2	14-15
C	3	16-17
D	4	18-19
DD/E	5	20-21
DDD/F	6	22-23
DDDD/G	7	24-25
H	8	26-27
I	9	28-29
J	10	30-31
K	11	32-33

Big size bra – conversion table

Info! To see the complete table slide your finger from right to left on the table

France	90	95	100	105	110	115	120	125	130	135	140	145
Europe	75	80	85	90	95	100	105	110	115	120	125	130
UK	34	36	38	40	42	44	46	48	50	52	54	56
US	34	36	38	40	42	44	46	48	50	52	54	56

Cup – size conversion table

France	AA	A	B	C	D	E	F	G	H	I	J
Europe	AA	A	B	C	D	E	F	G	H	I	J
UK	AA	A	B	C	D	DD	E	F	FF	I	II
US	AA	A	B	C	D	DD/E	DDD/F	G	H	I	J

International conversion for your bra

AUSTRALIA / NZ	USA	UK / INDIA	EUROPE / CHINA / JAPAN HONG KONG / KOREA	FRANCE / SPAIN BELGIUM
8AA	30AA	30A	65A	80A
8A	30A	30B	65B	80B
8B	30B	30C	65C	80C
8C	30C	30D	65D	80D
8D	30D	30DD	65E	80E
8DD	30DD	30E	65F	80F
10AA	32AA	32A	70A	85A
10A	32A	32B	70B	85B
10B	32B	32C	70C	85C
10C	32C	32D	70D	85D
10D	32D	32DD	70E	85E
10DD	32DD	32E	70F	85F
10E	32DDD/F	32F	70G	85G
10F	32F	32G	70H	85H
10G	32G	32H	70I	85I
12AA	34AA	34A	75A	90A
12A	34A	34B	75B	90B
12B	34B	34C	75C	90C
12C	34C	34D	75D	90D
12D	34D	34DD	75E	90E
12DD	34DD	34E	75F	90F
12E	34DDD/E	34F	75G	90G
12F	34F	34G	75H	90H
12G	34G	34H	75I	90I
14A	36A	36B	80B	95B
14B	36B	36C	80C	95C
14C	36C	36D	80D	95D
14D	36D	36DD	80E	95E
14DD	36DD	36E	80F	95E
14E	36DDD/E	36F	80G	95G
14F	36F	36G	80H	95H
14G	36G	36H	80I	95I
16B	38B	38C	85C	100C
16C	38C	38D	85D	100D
16D	38D	38DD	85E	100E
16DD	38DD	38E	85F	100F
16E	38DDD/E	38F	85G	100G
16F	38F	38G	85H	100H
18C	40C	40D	90D	105D
18D	40D	40DD	90E	105E
18DD	40DD	40E	90F	105F
18E	40DDD/E	40F	90G	105G
18F	40F	40G	90H	105H
18G	40G	40H	90I	105I
20D	42C	42DD	95E	110E
20DD	42DD	42E	95F	110F
20E	42DDD/E	42F	95G	110G
20F	42F	42G	95H	110H
20G	42G	42H	951	110I
22D	44D	44DD	100E	115E
22DD	44DD	44E	100F	115F
22E	44DDD/E	44F	100G	115G
22F	44F	44G	100H	115H

Approximate (band) size equivalents between various systems

Under bust (cm)	58–62	63–67	68–72	73–77	78–82	83–87	88–92	93–97	98–102	103–107	108–112	113–117	118–122	123–127	128–132	133–137	138–142
Under bust (in)	24–25	26–27	28–29	30–31	32–33	34–35	36–37	38–39	40–41	42–43	44–45	46–47	48–49	50–51	52–53	54–55	56–57
EU, Iran	60	65	70	75	80	85	90	95	100	105	110	115	120	125	130	135	140
FR, BE, ES	75	80	85	90	95	100	105	110	115	120	125	130	135	140	145	150	155
IT	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
US, UK	28	30	32	34	36	38	40	42	44	46	48	50	52	54	56	58	60
UK, RoI	24	26	28	30	32	34	36	38	40	42	44	46	48	50	52	54	56
AU, NZ	6	8	10	12	14	16	18	20	22	24	26	28	30	32	34	36	38
UK dress	4	6	8	10	12	14	16	18	20	22	24	26	28	30	32	34	36

The table below shows volume calculations for some cups that can be found in a ready-to-wear large size shop

Underwire size	Bra size (US system)	Bra size (UK system)	Cup diameter	Volume of one cup	Weight of both breasts
30	32A 30B 28C	32A 30B 28C	9.7 cm (3+5⁄6 in)	240 cm³ (15 cu in)	0.43 kg (0.95 lb)
32	34A 32B 30C 28D	34A 32B 30C 28D	10.6 cm (4+1⁄6 in)	310 cm³ (19 cu in)	0.56 kg (1.2 lb)
34	36A 34B 32C 30D 28E	36A 34B 32C 30D 28DD	11.4 cm (4+1⁄2 in)	390 cm³ (24 cu in)	0.70 kg (1.5 lb)
36	38A 36B 34C 32D 30E 28F	38A 36B 34C 32D 30DD 28E	12.3 cm (4+5⁄6 in)	480 cm³ (29 cu in)	0.86 kg (1.9 lb)
38	40A 38B 36C 34D 32E 30F 28G	40A 38B 36C 34D 32DD 30E 28F	13.1 cm (5+1⁄6 in)	590 cm³ (36 cu in)	1.1 kg (2.4 lb)
40	42A 40B 38C 36D 34E 32F 30G 28H	42A 40B 38C 36D 34DD 32E 30F 28FF	14.0 cm (5+1⁄2 in)	710 cm³ (43 cu in)	1.3 kg (2.9 lb)
42	44A 42B 40C 38D 36E 34F 32G 30H 28I	44A 42B 40C 38D 36DD 34E 32F 30FF 28G	14.8 cm (5+5⁄6 in)	850 cm³ (52 cu in)	1.5 kg (3.3 lb)
44	44B 42C 40D 38E 36F 34G 32H 30I 28J	44B 42C 40D 38DD 36E 34F 32FF 30G 28GG	15.7 cm (6+1⁄6 in)	1,000 cm³ (61 cu in)	1.8 kg (4.0 lb)
46	44C 42D 40E 38F 36G 34H 32I 30J 28K	44C 42D 40DD 38E 36F 34FF 32G 30GG 28H	16.5 cm (6+1⁄2 in)	1,180 cm³ (72 cu in)	2.1 kg (4.6 lb)
48	44D 42E 40F 38G 36H 34I 32J 30K 28L	44D 42DD 40E 38F 36FF 34G 32GG 30H 28HH	17.4 cm (6+5⁄6 in)	1,370 cm³ (84 cu in)	2.5 kg (5.5 lb)
50	44E 42F 40G 38H 36I 34J 32K 30L 28M	44DD 42E 40F 38FF 36G 34GG 32H 30HH 28J	18.2 cm (7+1⁄6 in)	1,580 cm³ (96 cu in)	2.8 kg (6.2 lb)
52	44F 42G 40H 38I 36J 34K 32L 30M 28N	44E 42F 40FF 38G 36GG 34H 32HH 30J 28JJ	19.0 cm (7+1⁄2 in)	1,810 cm³ (110 cu in)	3.3 kg (7.3 lb)
54	44G 42H 40I 38J 36K 34L 32M 30N 28O	44F 42FF 40G 38GG 36H 34HH 32J 30JJ 28K	19.9 cm (7+5⁄6 in)	2,060 cm³ (126 cu in)	3.7 kg (8.2 lb)
56	44H 42I 40J 38K 36L 34M 32N 30O 28P	44FF 42G 40GG 38H 36HH 34J 32JJ 30K 28KK	20.7 cm (8+1⁄6 in)	2,340 cm³ (143 cu in)	4.2 kg (9.3 lb)
58	44I 42J 40K 38L 36M 34N 32O 30P	44G 42GG 40H 38HH 36J 34JJ 32K 30KK	21.6 cm (8+1⁄2 in)	2,640 cm³ (161 cu in)	4.8 kg (11 lb)
60	44J 42K 40L 38M 36N 34O 32P	44GG 42H 40HH 38J 36JJ 34K 32KK	22.4 cm (8+5⁄6 in)	3,000 cm³ (180 cu in)	5.3 kg (12 lb)

The choice of the first bra, a symbol of femininity and the journey to maturity, is not to be taken lightly. Adapted to the morphology and style of young girls, many bra brands are dedicated to teenage and older girls.

Did you find this helpful?

Sources: PinterPandai, Real Simple, Chez Mademoiselle, Princesse Tam Tam

Photo credit: jackmac34 / Pixabay