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How To Fit A Bra Infographic

Bra Fitting
Measure for Band Size
Measure for
Band Size
Bra Fitting Measure
After a 38 band size, the band size should be the closest higher even number to your actual measurement.
S0, 41.5" is a 42 band. A 41" measurement is a 42 band.
Keeping the measuring tape parallel with the ground, measure around your bra directly under your bust after expelling all air from your lungs - you want this measurement to be as small as possible. Round all fractional measurements to the nearest whole number.
Measurement For Band Size Guide
27
30
28
32
29
32
30
32
31
34
32
34
33
34
34
36
35
36
36
36
Measure For Cup Size
Measure for
Cup Size
Standing straight, with your arms at your side, measure at the fullest part of your bust (while wearing a non-padded bra) making sure the measuring tape is parallel with the ground and not binding. Round all fractional measurements to the nearest whole number.
Measure For Cup Size Guide
Calculate for Bra Size
Calculate for
Bra Size
Subtract your band measurement (step 1) from your cup measurement (step 2). Generally, for each inch in difference, the cup goes up by one size. For example:
Step 1 - Calculate for Bra Size
Step 1
34" under measurement = 36" band
Step 2 - Calculate for Bra Size
Step 2
38" over measurement
Step 3 - Calculate for Bra Size
Step 3
38" - 36" or Cup "B"
Your size would be 36B
The cup size calculation starts falling apart at 4 inches larger than your band size, and if you have droopy pendulous breasts, your measurement will not be accurate. See the cup size conversion chart below.
Calculate for Bra Size Guide
0" to 1/2" (1.3 cm)
AA
1/2" to 1" (2.6 cm)
A
2" (5.1 cm)
B
3" (7.6 cm)
C
4" (10.2 cm)
D
D1
5" (12.7 cm)
DD * or E *
D2
6" (15.2 cm)
DDD * or F *
D3
7" (17.8 cm)
G *
D4
8" (20.3 cm)
H *
D5
9" (22.9 cm)
I *
D6
10" (25.4 cm)
J *
D7
Universal Cup Sizing
*Cup sizes larger than a D are called different letters by different brands (a DDD cup size in one brand can be called an E or F in other brands). So know your Universal Cup Size and you can find your correct size in any brand at HerRoom.
Learn How To Find Your Universal Cup Size
Important Information About Cup Measurement
This measuring system tends to become less accurate as the cup sizes go above a D. Additionally, some manufacturers name larger cup sizes differently.

See The Proper Bra Measuring Techniques for Plus-Size Women.

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The Universal Cup Size Reference Guide