Bra Size Calculator -Choose a Right Bra in 2 Easy Steps

You’d be surprised that 80% of women aren’t wearing the right bra. Do you feel that there is not a single bra that fits you perfectly? If you are worried about which size bra to buy or wondering is there any bra size calculator? Then yes need to know the breast size and the cup size of the bra because nowadays different style products are available in the market and everyone’s number or size varies. Measuring the correct, precise bra size is necessary to make your breasts look beautiful and in shape. All you need is a measuring tape, a mirror to know how to calculate bra size.

Choosing The Right Bra Is Important?

Studies have shown that 70-80% of women wear the wrong size bra. This can cause neck pain, shoulder pain, back pain, and even headache. Now many doctors and physiotherapists are also accepting this. 

Also, not choosing the right bra can cause difficulty in breathing, discomfort in doing any work, rashes and pain on shoulders. Wearing a bra gives the necessary support to the breasts of women, which keeps the shape of their breasts fine and does not put any extra burden on the back. 

Many women believe that only those women who have large breasts are required to wear a bra. But this is also completely wrong – irrespective of the size of your breast, a bra of the right size must be worn.

How to Measure the Right Bra Size?

Choosing the right bra is nothing but knowing the exact bra size of every type. For the bra size calculator you must have these two things:

  • Measuring tape
  • A mirror

Step1: Calculate the band size

  • Stand in front of the mirror. Wrap the tape under your breast, the place where your band comes in and make sure it is not too tight or loose. If the number is 33 or 33.5 inches, round the number obtained & the size will be 34. 
  • If the number is even, add 4 inches. If it’s odd, add 5.
  • The sum of this calculation will be your band size.

Step2: Calculate bust size/ cup size

  • Wrap the cup size tape around the entire area of ​​your breast. Make sure its neither tight nor loose. 
  • Measure it to the nearest or next whole number. Keep in mind this last number. 
  • Now, subtract the cup size from the band size calculated previously.
  • If the difference between a band and bust measurement is 1 then it is A cup. If it is 2 then its B cup & others same as follows.

Bra Size Chart for Indian body

In Inch

28 23-24 28-29 29-30 30-31 31-32    
30 25-26 30-31 31-32 32-33 33-34    
32 27-28 32-33 33-34 34-35 35-36 36-37 37-38
34 29-30 34-35 35-36 36-37 37-38 38-39 39-40
36 31-32 36-37 37-38 38-39 39-40 40-41 41-42
38 33-34 38-39 39-40 40-41 41-42 42-43 43-44
40 35-36 40-41 41-42 42-43 43-44 44-45 45-46
42 37-38 42-43 43-44 44-45 45-46 46-47 47-48
44 39-40 44-45 45-46 46-47 47-48 48-49 49-50


28 58.5-63.5 71-73.5 73.5-76 76-78.5 78.5-81    
30 63.5-68.5 76-78.5 78.5-81 81-83.5 83.5-86    
32 68.5-73.5 81-83.5 83.5- 86 86- 89 89-91.5 91.5-94 94-96.5
34 73.5-78.5 86-89 89-91.5 91.5-94 94-96.5 96.5-99 99-1.01m
36 78.5-84 91.5-94 94-96.5 96.5-99 99cm-1.01m 1.01-1.04m 1.04-1.06m
38 84-89 96.5-99 99-1.01m 1.01-1.04m 1.04-1.06m 1.06-1.09m 1.09-1.11m
40 89-94 1.01-1.04m 1.04-1.06m 1.06-1.09m 1.09-1.11m 1.11-1.14m 1.14-1.16m
42 94-99 1.06-1.09m 1.09-1.11m 1.11-1.14m 1.14-1.16m 1.16-1.19m 1.19-1.21m
44 99-1.04 1.11-1.14m 1.14-1.16m 1.16-1.19m 1.19-1.21m 1.22-1.24m 1.24-1.27m

Things to Keep in mind while selecting a Bra

  • You should check your bra size every 4-6 months if there is a need to change. 
  • Your cups should properly cover, your breast both from front & sides. 
  • You should not feel any type of suffocation or redness on your skin while wearing a bra. 
  • Your bra straps must be adjustable and should never be too tight or loose.

Hope this bra size calculator will be helpful to understand your bra size. If you have aby question feel free to comment and ask any doubts.


Q1. Why do women need to wear a bra?

Women’s need a bra to support their breast and shoulders while maintaining the shape.

Q2. How to know when you need to start wearing a bra?

When you find pain and discomfort in the nipple area or else if the breast starts developing.

Q3.How many times should I replace my bras with the new ones?

The replacement depends on your size & body shape. Normally, you can replace it after 9-10 months, in case it is required.

Q4.What’s My Size?

Well, the answers to this question are it depends on age, body shape & muscles. And to find a perfect sized bra, we have given the solution above you can go through.

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