- 30 F Bra Size Converter Calculator
- 30f Bra Size Converter
- 30 F Bra Size Converter Size
- What Is 30f Bra Size
This calculator estimates bra size based on bust size and band size (frame size). To ensure accuracy, measure to the nearest ¼ inch or ½ cm. This calculator provides results for the United States, the United Kingdom, European Union, France, Belgium, Spain, Australia, and New Zealand.
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The bust size is the loose circumference measured around the chest over the fullest part of the breasts, while standing straight with arms to the side, and wearing a properly fitted bra.
The band or frame size is the firm circumference, fitted not tightly, measured directly underneath the breasts.
Bra Size Converter
30 F Bra Size Converter Calculator
Use the following to convert the bra sizes betweem different locations.
Incorrect bra fit
Surveys and studies often cite that anywhere between 70-85% of women wear incorrectly fitted bras. While data collection methods between various sources is not consistent and these percentages may be inflated, incorrectly fitted bras are nonetheless a significant issue, evidenced by the number of studies, articles, and complaints surrounding the issues women face due to a lack of size standardization. Studies have revealed that the most common mistake made by women when selecting a bra was to choose too large a back band and too small a cup. Part of the issue is lack of standardization regarding band and cup sizes. These vary largely between countries, and even manufacturers, making it difficult to use these measures as anything more than an approximate fit. A 34B bra from two different companies for example, may not fit the same person because of this lack of standardization.
Some signs of incorrectly fitted bras include the band digging into the torso or sliding upwards, red marks, shoulder or neck pain, the breasts overflowing around the edges of the bra, and the bra's center panel not lying flat against the breast, among others.
Bra size
The two major aspects of bra size are the band size and the cup size.
Band size (frame size)
The band size is the size of the bra band around the torso. However, band sizes come in different measurements in different countries, in that sizes such as small, medium, and large, equate to different measurements. Refer to the table below for some size measurements, though some variation from the published measurements is possible.
30f Bra Size Converter
Band Size | FR/BE/ES | EU (Standard EN 13402) | US and UK | AU, NZ |
XXS | 75 | 60 | 28 | 6 |
XS | 80 | 65 | 30 | 8 |
S | 85 | 70 | 32 | 10 |
M | 90 | 75 | 34 | 12 |
L | 95 | 80 | 36 | 14 |
XL | 100 | 85 | 38 | 16 |
XXL | 105 | 90 | 40 | 18 |
3XL | 110 | 95 | 42 | 20 |
4XL | 115 | 100 | 44 | 22 |
5XL | 120 | 105 | 46 | 24 |
Cup size
The cup size can be calculated using the difference between bust size and band size. Refer to the table below.
Bust/band difference in inches | US cup size | UK/AU cup size |
<1 | AA | AA |
1 | A | A |
2 | B | B |
3 | C | C |
4 | D | D |
5 | E or DD | DD |
6 | F or DDD | E |
7 | G or DDDD | F |
8 | H | FF |
9 | I | G |
10 | J | GG |
11 | K | H |
12 | L | HH |
13 | M | J |
14 | N | JJ |
Bust/band difference in cm | Continental Europe cup size |
10-11 | AA |
12-13 | A |
14-15 | B |
16-17 | C |
18-19 | D |
20-21 | E |
22-23 | F |
24-25 | G |
26-27 | H |
28-29 | I |
30-31 | J |
32-33 | K |
This is a great guide how to find the perfect bra size, and how to convert your bra size to international sizes.
Find the right band size
To find your band size, put on a non-padded bra that fits you well. Find a measuring tape, and stand in front of a mirror. Wrap the tape around your body just underneath your bust. The measuring tape should be horizontal to the floor, and quite snug.
The measurement in inches is your band size. If it’s an odd number, round down to the nearest even number.
To find your bust size, measure around the fullest part of your breasts. Take this measurement and subtract the band measurement, e.g. if you measure 31 underneath your breasts, and 34 around, the result is 34-31 = 3. Use the result to find your cup size here:
Cup size = Bust size – Band size:
0 = AA
<1 = A
1 = B
2 = C
3 = D
4 = DD
5 = DDD/E
6 = F
7 = G
8 = H
Please note that this guide only gives you an estimate to your bra size, as sizes may vary between different bra manufacturers.
Convert to international cup size
Use this table to convert your cup size into international sizes.
30 F Bra Size Converter Size
USA | UK | Europe | France/Spain | Japan | Australia |
---|---|---|---|---|---|
AA | A | A | A | A | AA |
A | B | B | B | B | A |
B | C | C | C | C | B |
C | D | D | D | D | C |
D | DD | E | E | E | D |
DD | E | F | F | F | DD |
DDD/E | F | G | G | G | E |
F | G | H | H | H | F |
G | H | I | I | I | G |
H | I | J | J | J | H |
I | J | K | K | K | I |
Convert to international band size
Use this table to convert your bra band size into international sizes.
Japanese bra sizes are the same as European sizes, but the cup size are often written first, e.g. C75 instead of 75C.
What Is 30f Bra Size
USA | UK | Europe | France/Spain | Japan | Australia |
---|---|---|---|---|---|
28 | 28 | 60 | 75 | 60 | 6 |
30 | 30 | 65 | 80 | 65 | 8 |
32 | 32 | 70 | 85 | 70 | 10 |
34 | 34 | 75 | 90 | 75 | 12 |
36 | 36 | 80 | 95 | 80 | 14 |
38 | 38 | 85 | 100 | 85 | 16 |
40 | 40 | 90 | 105 | 90 | 18 |
42 | 42 | 95 | 110 | 95 | 20 |
44 | 44 | 100 | 115 | 100 | 22 |
46 | 46 | 105 | 120 | 105 | 24 |
48 | 48 | 110 | 125 | 110 | 26 |