Bra Size Calculator

A bra size calculator is a tool that helps you determine your bra size based on your measurements. To use a bra size calculator, you will need to know your bust size (the circumference around your chest at the fullest point) and your band size (the circumference around your ribcage, just below your bust).

To measure your bust size, wrap a measuring tape around your chest at the fullest point, making sure it is level and not too tight or too loose. To measure your band size, wrap the measuring tape around your ribcage, just below your bust, and make sure it is level and not too tight or too loose.

Once you have these measurements, you can use a bra size calculator to determine your bra size. Many bra size calculators allow you to input your measurements in inches or centimeters and will provide you with a range of bra sizes that may be a good fit for you.

It's important to keep in mind that bra size calculators are just estimates and may not be completely accurate. The best way to determine your bra size is to try on different sizes and styles and see what fits and feels comfortable. It's also a good idea to get fitted by a professional bra fitter at a lingerie store to ensure you are getting the best fit possible.

Bra Size Converter

A bra size converter is a tool that allows you to convert your bra size from one sizing system to another. Different countries and brands use different bra sizing systems, which can make it difficult to determine your correct bra size if you are shopping internationally or trying on a new brand.

To use a bra size converter, you will need to know your current bra size in the sizing system you are using. You will also need to know the sizing system you want to convert to. Some common bra sizing systems include:

US/Canada sizes: This sizing system uses numbered band sizes (e.g. 32, 34, 36, etc.) and alphabetical cup sizes (e.g. A, B, C, etc.). The band size is the circumference around your ribcage, just below your bust, and the cup size is the difference between your bust size and your band size.

UK/Ireland sizing: This sizing system uses numbered band sizes (e.g. 28, 30, 32, etc.) and alphabetical cup sizes (e.g. A, B, C, etc.). The band size is the circumference around your ribcage, just below your bust, and the cup size is the difference between your bust size and your band size.

European sizing: This sizing system uses numbered band sizes (e.g. 70, 75, 80, etc.) and numbered cup sizes (e.g. 1, 2, 3, etc.). The band size is the circumference around your ribcage, just below your bust, and the cup size is the difference between your bust size and your band size.

To convert your bra size using a bra size converter, enter your current bra size and the sizing system you are using, and select the sizing system you want to convert to. The converter will then provide you with your converted bra size.

It's important to keep in mind that bra size conversion can be imprecise and may not always be accurate. The best way to determine your correct bra size is to try on different sizes and styles and see what fits and feels comfortable. It's also a good idea to get fitted by a professional bra fitter at a lingerie store to ensure you are getting the best fit possible.

Incorrect bra fit

If you are experiencing an incorrect bra fit, there are a few common issues you may be experiencing:

The band is too loose: If the band of your bra is too loose, it will ride up your back and may not provide enough support. To fix this issue, try tightening the straps or sizing down in the band.
The band is too tight: If the band of your bra is too tight, it will be uncomfortable and may cause red marks or indentations on your skin. To fix this issue, try loosening the straps or sizing up in the band.
The cups are too small: If the cups of your bra are too small, your breasts may spill out over the top or sides of the cups. To fix this issue, try sizing up in the cup.
The cups are too large: If the cups of your bra are too large, your breasts may not be fully supported and may appear small or flat. To fix this issue, try sizing down in the cup.
The straps are too loose: If the straps of your bra are too loose, they may not provide enough support and may cause your bra to ride up or down. To fix this issue, try tightening the straps.
The straps are too tight: If the straps of your bra are too tight, they may be uncomfortable and may cause red marks or indentations on your skin. To fix this issue, try loosening the straps.

If you are experiencing an incorrect bra fit, it's a good idea to try on different sizes and styles to find a bra that fits and feels comfortable. It's also a good idea to get fitted by a professional bra fitter at a lingerie store to ensure you are getting the best fit possible.

Band size (frame size)

The band size, also known as the frame size, refers to the circumference around your ribcage, just below your bust. It is typically measured in inches or centimeters and is indicated by a number (e.g. 32, 34, 36, etc.).

The band size is an important factor in determining the fit of a bra. A bra with a band size that is too loose will ride up your back and may not provide enough support, while a bra with a band size that is too tight will be uncomfortable and may cause red marks or indentations on your skin.

To measure your band size, wrap a measuring tape around your ribcage, just below your bust, and make sure it is level and not too tight or too loose. The measurement should be in inches or centimeters, depending on the sizing system you are using.

Keep in mind that bra sizes can vary between brands and sizing systems, so it's a good idea to try on different sizes and styles to find a bra that fits and feels comfortable. It's also a good idea to get fitted by a professional bra fitter at a lingerie store to ensure you are getting the best fit possible.

Cup size

Cup size refers to the size of the cups on a bra, which are designed to hold and support the breasts. Cup size is typically indicated by a letter (e.g. A, B, C, etc.) and is based on the difference between the circumference around your chest at the fullest point (your bust size) and the circumference around your ribcage, just below your bust (your band size).

The formula for determining cup size varies depending on the sizing system you are using. In the US/Canada sizing system, for example, the difference between your bust size and your band size is used to determine your cup size as follows:

If the difference is less than 1 inch, your cup size is AA.
If the difference is 1 inch, your cup size is A.
If the difference is 2 inches, your cup size is B.
If the difference is 3 inches, your cup size is C.
If the difference is 4 inches, your cup size is D.
If the difference is 5 inches, your cup size is DD.

In the UK/Ireland and European sizing systems, the formula for determining cup size is slightly different. In these systems, the difference between your bust size and your band size is used to determine your cup size as follows:

If the difference is less than 1 inch, your cup size is AA.
If the difference is 1 inch, your cup size is A.
If the difference is 2 inches, your cup size is B.
If the difference is 3 inches, your cup size is C.
If the difference is 4 inches, your cup size is D.
If the difference is 5 inches, your cup size is DD.

It's important to keep in mind that cup size is not a standardized measurement and can vary between brands and sizing systems. The best way to determine your correct cup size is to try on different sizes and styles and see what fits and feels comfortable. It's also a good idea to get fitted by a professional bra fitter at a lingerie store to ensure you are getting the best fit possible.

Bra Size Calculator - Measure your Bra Size in 2 easy steps

To measure your bra size using a bra size calculator, follow these two easy steps:

Measure your bust size: To measure your bust size, wrap a measuring tape around your chest at the fullest point, making sure it is level and not too tight or too loose. The measurement should be in inches or centimeters, depending on the sizing system you are using.

Measure your band size: To measure your band size, wrap a measuring tape around your ribcage, just below your bust, and make sure it is level and not too tight or too loose. The measurement should be in inches or centimeters, depending on the sizing system you are using.

Some things to remember to select the right bra

Here are some things to keep in mind when selecting the right bra:

Consider your size and shape: The right bra size and style will depend on your size and shape. It's important to measure your bust size and band size to ensure you are getting a bra that fits correctly.
Think about the occasion: Different bras are suitable for different occasions. For example, a sports bra is suitable for exercising, while a balconette bra is more suitable for everyday wear or special occasions.
Consider the material: Different materials can provide different levels of support and comfort. For example, bras made of breathable materials like cotton may be more comfortable for everyday wear, while bras made of more supportive materials like an underwire may be more suitable for special occasions or if you have a larger cup size.
Pay attention to the fit: A bra should fit snugly around your ribcage and not be too loose or too tight. The cups should be full and cover your breasts without spilling over the top or sides. The straps should be adjusted to provide enough support without being too tight or too loose.
Consider the style: Different bra styles can offer different levels of support and coverage. For example, a full-coverage bra provides more coverage and support, while a demi-cup bra provides less coverage and is more suitable for low-cut tops.

It's a good idea to try on different sizes and styles to find a bra that fits and feels comfortable. It's also a good idea to get fitted by a professional bra fitter at a lingerie store to ensure you are getting the best fit possible.

Why do women need to wear a bra?

There are several reasons why women may choose to wear a bra:

Support: Bras can provide support for the breasts, helping to reduce discomfort and prevent strain on the back and shoulders.

Comfort: Some women find that wearing a bra is more comfortable than going without, especially if they have larger breasts or are more active.

Shape: Bras can help shape the appearance of the breasts, enhancing their natural shape or creating a desired silhouette.

Modesty: Some women may choose to wear a bra for modesty or to feel more covered.

Fashion: Bras can be an important part of a woman's wardrobe and can be worn for both functional and fashion purposes.

It's important to note that wearing a bra is a personal choice, and some women may choose not to wear a bra at all. Ultimately, the decision to wear a bra should be based on an individual's needs and preferences.

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

There is no specific age at which girls need to start wearing a bra. The decision to start wearing a bra is a personal one and will depend on a variety of factors, including the girl's body size, shape, and comfort level.

In general, girls may start wearing a bra when they begin to develop breast tissue and feel self-conscious or uncomfortable without a bra. This usually happens during puberty, which can occur anytime between the ages of 8 and 13.

If a girl is experiencing breast development and is interested in wearing a bra, it's important to have an open and honest conversation with her about her needs and preferences. It's also a good idea to get fitted by a professional bra fitter at a lingerie store to ensure she is getting a bra that fits correctly and provides the right level of support.

Keep in mind that wearing a bra is a personal choice, and some girls may not feel the need to wear a bra until later in their teenage years or even as adults. It's important to respect the individual's decision and to focus on helping her feel comfortable and confident in her own skin.

What is the best bra to wear?

The best bra to wear will depend on your personal needs and preferences. Some things to consider when choosing a bra include:

Your size and shape: It's important to choose a bra that fits correctly and provides the right level of support for your size and shape. To find your correct bra size, you can measure your bust size and band size and use a bra size calculator or get fitted by a professional bra fitter at a lingerie store.

The occasion: Different bras are suitable for different occasions. For example, a sports bra is suitable for exercising, while a balconette bra is more suitable for everyday wear or special occasions.

The material: Different materials can provide different levels of support and comfort. For example, bras made of breathable materials like cotton may be more comfortable for everyday wear, while bras made of more supportive materials like an underwire may be more suitable for special occasions or if you have a larger cup size.

The fit: A bra should fit snugly around your ribcage and not be too loose or too tight. The cups should be full and cover your breasts without spilling over the top or sides. The straps should be adjusted to provide enough support without being too tight or too loose.

The style: Different bra styles can offer different levels of support and coverage. For example, a full-coverage bra provides more coverage and support, while a demi-cup bra provides less coverage and is more suitable for low-cut tops.

Ultimately, the best bra for you will depend on your personal needs and preferences. It's a good idea to try on different sizes and styles to find a bra that fits and feels comfortable.

What is ABCD in bra sizes?

In bra sizing, "A", "B", "C", and "D" are cup sizes that indicate the size of the cups on a bra. Cup size is based on the difference between the circumference around your chest at the fullest point (your bust size) and the circumference around your ribcage, just below your bust (your band size).

If the difference is less than 1 inch, your cup size is AA.
If the difference is 1 inch, your cup size is A.
If the difference is 2 inches, your cup size is B.
If the difference is 3 inches, your cup size is C.
If the difference is 4 inches, your cup size is D.
If the difference is 5 inches, your cup size is DD.

If the difference is less than 1 inch, your cup size is AA.
If the difference is 1 inch, your cup size is A.
If the difference is 2 inches, your cup size is B.

What is the difference between cup size & bra size?

Cup size refers to the size of the cups on a bra, which is designed to hold and support the breasts. Cup size is typically indicated by a letter (e.g. A, B, C, etc.) and is based on the difference between the circumference around your chest at the fullest point (your bust size) and the circumference around your ribcage, just below your bust (your band size).

Bra size, on the other hand, refers to the size of the bra as a whole, which is determined by both the band size (the circumference around your ribcage, just below your bust) and the cup size. Bra size is typically indicated by a number (e.g. 32, 34, 36, etc.) for the band size and a letter (e.g. A, B, C, etc.) for the cup size.

For example, a bra size of 32B would indicate a bra with a band size of 32 and a cup size of B. A bra size of 36D would indicate a bra with a band size of 36 and a cup size of D.

It's important to note that cup size is not a standardized measurement and can vary between brands and sizing systems. The best way to determine your correct cup size is to try on different sizes and styles and see what fits and feels comfortable. It's also a good idea to get fitted by a professional bra fitter at a lingerie store to ensure you are getting the best fit possible.

What are sister sizes?

Sister sizes are bra sizes that have the same cup volume but different band sizes. Sister sizes are used to help women find a bra that fits well even if their preferred size is not available.

For example, if a woman's preferred bra size is 34C but that size is not available, she may choose to try a 36B or a 32D, which are sister sizes to 34C. These sizes have the same cup volume as 34C but different band sizes.

To find your sister sizes, you can use a bra size calculator or refer to a bra size chart that shows sister sizes. Sister sizes can be helpful if you are unable to find your preferred bra size or if you want to try a bra with a different band size.

It's important to note that sister sizes are just estimates and may not fit perfectly. The best way to determine your bra size is to try on different sizes and styles and see what fits and feels comfortable. It's also a good idea to get fitted by a professional bra fitter at a lingerie store to ensure you are getting the best fit possible.

What happens if you wear the wrong size?

If you wear a bra that is the wrong size, you may experience a range of issues, including discomfort, reduced support, and problems with the fit of your clothing.

Some common issues that can occur if you wear a bra that is the wrong size include:

The band is too loose: If the band of your bra is too loose, it will ride up your back and may not provide enough support. This can cause discomfort and may lead to strain on your shoulders and back.
The band is too tight: If the band of your bra is too tight, it will be uncomfortable and may cause red marks or indentations on your skin. It may also be difficult to breathe or move freely.
The cups are too small: If the cups of your bra are too small, your breasts may spill out over the top or sides of the cups, which can be uncomfortable and may not provide enough support.
The cups are too large: If the cups of your bra are too large, your breasts may not be fully supported and may appear small or flat. This can affect the fit and appearance of your clothing.
The straps are too loose: If the straps of your bra are too loose, they may not provide enough support and may cause your bra to ride up or down.
The straps are too tight: If the straps of your bra are too tight, they may be uncomfortable and may cause red marks or indentations on your skin.

If you are experiencing any of these issues, it's a good idea to try on different sizes and styles to find a bra that fits and feels comfortable. It's also a good idea to get fitted by a professional bra fitter at a lingerie store to ensure you are getting the best fit possible.

How can I tell if my bra fits properly? Let’s check each part of the bra.

To determine if a bra fits properly, you should check the following parts of the bra:

The band: The band should fit snugly around your ribcage and not be too loose or too tight. It should lie flat against your skin and not ride up your back.

The cups: The cups should be full and cover your breasts without spilling over the top or sides. They should not be too small or too large, and there should not be any gaps between your breasts and the cups.

The straps: The straps should be adjusted to provide enough support without being too tight or too loose. They should not dig into your skin or fall down your shoulders.

The center panel: The center panel, also known as the gore, should lie flat against your chest and not gap or ride up.

The underwire: The underwire should lie flat against your chest and not poke or dig into your skin.

It's important to keep in mind that bra sizes can vary between brands and sizing systems, so it's a good idea to try on different sizes and styles to find a bra that fits and feels comfortable. It's also a good idea to get fitted by a professional bra fitter at a lingerie store to ensure you are getting the best fit possible.

Am I wearing my bra correctly? Let’s double-check.

To determine if you are wearing your bra correctly, you can follow these steps:

Adjust the straps: The straps should be adjusted to provide enough support without being too tight or too loose. They should not dig into your skin or fall down your shoulders.

Position the cups: The cups should be full and cover your breasts without spilling over the top or sides. There should not be any gaps between your breasts and the cups.

Adjust the band: The band should fit snugly around your ribcage and not be too loose or too tight. It should lie flat against your skin and not ride up your back.

Adjust the underwire: The underwire should lie flat against your chest and not poke or dig into your skin.

Check the center panel: The center panel, also known as the gore, should lie flat against your chest and not gap or ride up.

How to find the right bra for your breast shape?

There are many different types of bra styles that can be suitable for different breast shapes. Here are a few tips for finding the right bra for your breast shape:

Know your breast shape: There are several different breast shapes, including round, full, shallow, and conical. Knowing your breast shape can help you find a bra that fits and supports your breasts correctly.

Consider the cups: Different bra cups can provide different levels of coverage and support. For example, if you have round or full breasts, you may prefer a bra with full-coverage cups that provide more support. If you have shallow or conical breasts, you may prefer a bra with demi-cup or balconette cups that provide less coverage and lift.

Look for a bra with a good fit: A bra should fit snugly around your ribcage and not be too loose or too tight. The cups should be full and cover your breasts without spilling over the top or sides. The straps should be adjusted to provide enough support without being too tight or too loose.

Experiment with different styles: There are many different bra styles to choose from, including sports bras, balconette bras, plunge bras, and full-coverage bras. Experimenting with different styles can help you find a bra that fits and feels comfortable.

How to make your bra last as long as possible?

Here are a few tips for making your bra last as long as possible:

Hand wash or machine wash with a lingerie bag: Hand washing your bras or using a lingerie bag in the washing machine can help protect the bra's shape, elastic, and underwire. Avoid using hot water and harsh detergents, and be sure to rinse thoroughly.

Avoid heat: Avoid exposing your bra to heat sources such as dryers, radiators, and direct sunlight, as heat can damage the bra's elastic and cause it to lose its shape.

Rotate your bras: Avoid wearing the same bra every day, as this can cause the bra to become stretched out or lose its shape. Instead, try to rotate your bras and give each one a rest day in between wears.

Store your bras properly: When not in use, store your bras in a cool, dry place away from direct sunlight. Avoid hanging your bras by the straps, as this can stretch them out. Instead, stack your bras or fold them and place them in a drawer or bra box.

Replace your bras regularly: Even with proper care, bras will eventually wear out and lose their shape and support. It's a good idea to replace your bras every six to twelve months, depending on how often you wear them.

By following these tips, you can help extend the life of your bras and ensure they provide the support and comfort you need.

When should you replace your bras?

It is generally recommended to replace bras every six to twelve months, depending on how often they are worn and washed. However, the exact lifespan of a bra will depend on several factors, including the quality of the bra and how well it fits. Here are a few signs that it may be time to replace your bras:

The elastic band or straps have become stretched out or frayed.
The cups or underwire are damaged or bent.
The bra is visibly worn or has holes or tears.
The bra no longer fits correctly or provides the support you need.

In general, it's a good idea to keep an eye on the condition of your bras and replace them when they are no longer providing the support and comfort you need.

What are sister sizes?

Sister sizes are a group of bra sizes that share the same cup volume, but have different band sizes. For example, a 34C bra and a 36B bra are sister sizes because they both have the same cup volume, even though the band sizes are different.

Sister sizes can be useful for finding a bra that fits well if your preferred size is not available or if you are in between sizes. To find your sister sizes, you can either go up or down one band size and up or down one cup size. For example, if you currently wear a 34C bra, your sister sizes would be 32D, 36B, and 38A.

It's important to note that sister sizes are not an exact fit and may not provide the same level of support and comfort as your preferred size. It's always a good idea to try on a bra before purchasing it to ensure that it fits correctly and feels comfortable.

What does bra size mean?

A bra size is a label that indicates the size of a bra and consists of two parts: the band size and the cup size. The band size is indicated by a number, such as 32 or 36, and represents the measurement around the ribcage, just below the breasts. The cup size is indicated by a letter, such as A, B, or C, and represents the size of the breasts in relation to the band size.

To determine your bra size, you will need to measure the circumference of your ribcage and the fullest part of your bust. You can then use a bra size chart to find your size based on these measurements. It's important to note that bra sizes can vary between brands and styles, so it's always a good idea to try on a bra before purchasing it to ensure that it fits correctly and feels comfortable.

How to measure bra size without measuring tape?

It is generally recommended to use a measuring tape to accurately determine your bra size. However, if you don't have a measuring tape, you can try using a piece of string or a ribbon to measure your ribcage and bust. Here's how to do it:

Stand in front of a mirror and wear a non-padded bra that fits well.
Place the string or ribbon around your ribcage, just below your breasts. Make sure it is level and not too tight or too loose.
Mark the string or ribbon where it meets, then measure the length with a ruler or a regular tape measure. This will be your band size.
Measure the fullest part of your bust using the same method.
Use a bra size chart to find your size based on your band size and bust measurement.

It's important to note that using a string or ribbon to measure your bra size may not be as accurate as using a measuring tape, so the size you determine may not be exact. It's always a good idea to try on a bra before purchasing it to ensure that it fits correctly and feels comfortable.

What is the difference between cup size & bra size ?

A bra size is a label that indicates the size of a bra and consists of two parts: the band size and the cup size.

The band size is indicated by a number, such as 32 or 36, and represents the measurement around the ribcage, just below the breasts. The band size is important because it helps to support the weight of the breasts and determines how well the bra fits.

The cup size is indicated by a letter, such as A, B, or C, and represents the size of the breasts in relation to the band size. Cup sizes are based on the difference between the bust measurement and the band size. For example, a bra with a cup size of B would be suitable for someone with a bust measurement that is one inch larger than their band size.

In summary, the cup size is a measure of the size of the breasts, while the bra size is a combination of both the band size and cup size and determines the overall fit of the bra.

Breast size chart

There is no standard chart for determining breast size as the size and shape of breasts can vary greatly from person to person. In general, the size of a person's breasts is determined by a combination of genetics, hormones, and body weight.

Bra sizes are used to indicate the size of a bra and consist of two parts: the band size and the cup size. The band size is indicated by a number, such as 32 or 36, and represents the measurement around the ribcage, just below the breasts. The cup size is indicated by a letter, such as A, B, or C, and represents the size of the breasts in relation to the band size.

Bra size calculator in inches

To calculate your bra size in inches, you will need to measure the circumference of your ribcage and the fullest part of your bust. Here's how to do it:

Stand in front of a mirror and wear a non-padded bra that fits well.
Measure the circumference of your ribcage just below your breasts using a tape measure. Round the measurement to the nearest whole number. This will be your band size.
Measure the fullest part of your bust, again using a tape measure. Make sure the tape measure is level and not too tight or too loose. Round the measurement to the nearest whole number. This will be your bust size.
Subtract your band size from your bust size to determine your cup size. Use the following chart to find your cup size:

Cup Size = Bust Size - Band Size

Less than 1 inch = AA cup
1 inch = A cup
2 inches = B cup
3 inches = C cup
4 inches = D cup
5 inches = DD cup
6 inches = DDD or E cup
7 inches = DDDD or F cup
8 inches = G cup
9 inches = H cup
10 inches = I cup

For example, if your band size is 34 inches and your bust size is 36 inches, your cup size would be B (36 - 34 = 2). Your bra size would be 34B.

It's important to note that bra sizes can vary between brands and styles, so it's always a good idea to try on a bra before purchasing it to ensure that it fits correctly and feels comfortable.

Bra Size Calculator

Bra Size Calculator

Bra Size Converter

Incorrect bra fit

Band size (frame size)

Cup size

Bra Size Calculator - Measure your Bra Size in 2 easy steps

Some things to remember to select the right bra

Why do women need to wear a bra?

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

What is the best bra to wear?

What is ABCD in bra sizes?

What is the difference between cup size & bra size?

What are sister sizes?

What happens if you wear the wrong size?

How can I tell if my bra fits properly? Let’s check each part of the bra.

Am I wearing my bra correctly? Let’s double-check.

How to find the right bra for your breast shape?

How to make your bra last as long as possible?

When should you replace your bras?

What are sister sizes?

What does bra size mean?

How to measure bra size without measuring tape?

What is the difference between cup size & bra size ?

Breast size chart

Bra size calculator in inches

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