Breast Implant Sizes and Bra Cup Sizes
If you are interested in learning more about breast augmentation, you’re probably wondering how new implants will translate into bra sizes. It’s a common question but one that doesn’t have a straightforward answer. Knowing how breast implant sizes relate to bra cup sizes is more than just a matter of curiosity. It’s about comfort, appearance, and even health. A poorly fitted bra or implant can lead to back pain, skin irritation, and other issues.
Dr Carmen Munteanu MD. FRACS (Plas) is a skilled and compassionate specialist plastic surgeon. She is one of Melbourne’s most experienced and sought-after female plastic surgeons who offers aesthetic breast surgery and body contouring. That includes Breast Reduction, Breast Lift, Breast Implant Surgery and Body Surgery.
Take our Plastic Surgery Quiz to find out if you’d be a good candidate and if you are ready for cosmetic surgery.
What Are Bra Cup Sizes?
Bra sizes are usually expressed as a combination of a number and a letter, like 12C. The number represents the band size (the measurement around your ribcage, right under your breasts), and the letter represents the cup size. Cup sizes are not standardised and can vary between different brands and styles.
What Are Breast Implant Sizes?
Breast implants are usually measured in cubic centimetres (cc), which is a unit of volume. They can range from as small as 100 cc to as large as 1000 cc or more. But what does this mean in terms of bra sizes?
| Cubic Centimetres (cc) | Approximate Bra Cup Size | Notes |
| 100 – 200 cc | A | Varies based on existing breast tissue |
| 200 – 300 cc | B | Varies based on existing breast tissue |
| 300 – 400 cc | C | Varies based on existing breast tissue |
| 400 – 500 cc | D | Varies based on existing breast tissue |
| 500 – 600 cc | DD or E | Varies based on existing breast tissue |
| 600 – 700 cc | DDD or F | Varies based on existing breast tissue |
| 700 – 800 cc | G | Varies based on existing breast tissue |
| 800 – 900 cc | H | Varies based on existing breast tissue |
| 900 – 1000 cc | I | Varies based on existing breast tissue |
| 1000 cc and above | J and above | Varies based on existing breast tissue |
Note: The above table is a very rough approximation and should not be used as a definitive guide. The actual bra size you’ll wear post-surgery depends on various factors, including your existing breast tissue, the shape and projection of the implant, and the brand and style of the bra.
What Size of Implant Will Give Me the Desired Result?
Each size range offers different results, from a modest increase in cup size to a very significant transformation:
| Implant Size (cc) | Likely Result on Cup Size | Best Suited For | Considerations |
| 100 – 200 cc | Increase by 1/2 to 1 cup | Those seeking a subtle enhancement | Less noticeable change, may be ideal for those with smaller frames or those who want a natural look |
| 200 – 350 cc | Increase by 1 to 1.5 cups | Moderate enhancement | Noticeable but not overly dramatic change, often chosen for a balanced look |
| 350 – 500 cc | Increase by 1.5 to 2 cups | Significant enhancement | More dramatic change, may be ideal for those seeking a fuller, more voluptuous look |
| 500 – 800 cc | Increase by 2 to 3 cups | Very significant enhancement | Extremely noticeable change, often chosen by those seeking a very dramatic look |
| 800 cc and above | Increase by 3 cups or more | Extreme enhancement | Not commonly recommended due to potential health risks and unnatural appearance |
The Difference between Volume and Dimensions
When it comes to selecting the right breast implants, understanding the difference between volume and dimensions is key. These two factors play a significant role in how your breasts will look and feel, both in and out of clothing.
Volume (cc)
- Definition: Volume is the space occupied by an object, in this case, the breast implant. It’s measured in cubic centimetres (cc)
- Range: Implant volumes can range from as low as 100 cc to as high as 1000 cc or more
- Impact on Appearance: A higher volume generally means a larger size, but how that size appears can be influenced by other factors like your existing breast tissue and body frame
- Comfort and Lifestyle: The volume you choose should align with your daily activities. For instance, if you’re very active, a smaller volume might be more comfortable
- Compatibility with Existing Tissue: Your existing breast tissue will combine with the implant to create your new breast size. So, the volume you choose should be compatible with what you already have
Dimensions (Width and Height)
- Definition: Dimensions refer to the width and height of the implant. Unlike volume, dimensions are measured in inches or centimetres but are not cubic
- Width: The width of the implant can affect how the breasts will look on your chest wall. A wider implant may offer more cleavage but could also make your breasts appear set further apart
- Height: The height of the implant can affect the projection of your breasts, meaning how far they extend from your chest wall
- Shape: Dimensions are especially important when considering the shape of the implant. For example, round implants and teardrop-shaped implants will have different dimensions but could have the same volume
Dr Carmen Will Help You Choose the Right Breast Implant Size
When you’re considering breast augmentation, one of the most important decisions you’ll make is choosing the right implant size. Dr Carmen uses different methods to help you make this choice, taking into account several factors to ensure that the implants will suit your body type and meet your expectations. Here are the factors that will be considered:
Existing Breast Tissue
- Volume: Your surgeon will assess the volume of your natural breast tissue. This is important because the implant will sit either behind or within your existing tissue, affecting the final size and appearance
- Quality: The firmness and elasticity of your existing breast tissue can also play a role. Softer tissue may not offer as much support for the implant, which could influence the size or type of implant recommended
- Shape: The natural shape of your breasts can affect how different sizes and styles of implants might look on you
Body Frame
- Height and Weight: Your overall body size, including your height and weight, will be considered. Larger frames may require larger implants for a balanced look, while smaller frames might be better suited to smaller implants
- Chest Wall: The width and shape of your chest wall can affect how the implants will sit. A wider chest might require implants with a larger diameter, for example
- Shoulder Width: Broader shoulders may balance out larger implants, while narrower shoulders might make large implants appear disproportionate
Download Dr Carmen’s Guide to Breast Augmentation with Implants
How to Choose the Right Bra for Your Implants
After undergoing breast augmentation, finding the right bra becomes the next important step. The right bra not only provides comfort but also ensures that your new implants look their best under clothing. Here are some factors to consider when selecting the perfect bra for your implants.
Wait for the Green Light from Your Surgeon
- Healing Time: After surgery, you’ll need to wait for your surgeon’s approval before you start wearing regular bras again. This is to ensure that your implants have settled properly and that you’ve healed sufficiently
- Post-Surgical Bras: Until then, you’ll likely be advised to wear a special post-surgical bra that provides extra support and minimises movement
Consider the Material
- Fabric: The material of the bra can affect comfort and appearance. Soft, breathable fabrics like cotton are often recommended initially for comfort
- Underwire or Not: Some people find underwire uncomfortable after getting implants. You might want to start with wireless options and then transition to underwire if it feels okay
Pay Attention to Fit
- Band Size: The band should fit snugly around your chest. A band that’s too loose won’t provide enough support, while one that’s too tight can cause discomfort
- Cup Size: Make sure the cups fully contain your breasts without spillage. Also, there shouldn’t be any gaps between the bra and your breasts, as this can cause chafing
- Strap Adjustment: Adjustable straps are a must. They allow you to customise the fit according to your body’s specific needs
Style Matters
- Full-Coverage vs. Demi-Cup: Full-coverage bras offer more support and are generally better for larger implants. Demi-cup bras or balconette styles may be more suitable for smaller implants or if you’re going for a certain look
- Seams or Seamless: Bras with seams often provide more support but can show through thin or tight clothing. Seamless bras offer a smoother look but might not provide as much support for larger implants
Try Before You Buy
- In-Store Fitting: If possible, get professionally fitted. Bra sizes can vary between brands, and a professional can help you find the most comfortable and flattering fit
- Multiple Styles: Try on different styles to see what works best for you. What looked good before your implants may not be the best choice now
FAQs about Breast Implant Sizes
How are breast implant sizes measured?
- Breast implant sizes are typically measured in cubic centimetres (cc), which is a unit of volume. The sizes can range from as small as 100 cc to as large as 800 cc or more, depending on the manufacturer and the type of implant.
Do larger implants always mean a larger cup size?
- Not necessarily. While larger implants will generally result in a larger cup size, other factors like existing breast tissue, body frame, and implant projection can also influence the final cup size. It’s best to consult with a qualified surgeon for personalised advice.
Can I determine my new bra size before getting implants?
- While some surgeons offer 3D imaging or sizers to help you visualise potential results, predicting the exact bra size you’ll wear post-surgery can be challenging. Factors like swelling and how the implants settle can affect your final bra size.
What’s the difference between implant volume and dimensions?
- Implant volume refers to the space the implant occupies and is measured in cubic centimetres (cc). Dimensions include the width and height of the implant and can affect how the implant sits on your chest wall and fills the bra cup. Both are important considerations when choosing implants.
How does projection affect the appearance of my implants?
- Projection refers to how far the implant extends outward from the chest wall. Different levels of projection can make your breasts appear larger or smaller, even if the implant volume is the same. Your choice of projection can also influence the type of bras that will fit you best.
Further Reading about Breast Procedures with Dr Carmen
- Read Dr Carmen’s Breast Augmentation Surgery Page
- Read Dr Carmen’s What is Breast Implant Replacement
- Read Dr Carmen’s Breast implant Types for Breast Surgery
- Read Dr Carmen’s Blog about Breast Lift FAQs – Questions About Breast Lift Surgery
- Read Dr Carmen’s Blog about History of Breast Implants and Origins of Breast Enlargement Surgery
- Read Dr Carmen’s Blog about Breast Implant Placement
- Read Dr Carmen’s Blog about How Big Is a C Cup? – Useful Advice for Breast Implant Surgery
- Read Dr Carmen’s Blog about How Long Do Breast Implants Last?
Medical References about Breast Implant Sizes
- Choosing Breast Implant Size: A Matter of Aesthetics – Oxford Academic
- How Big Is Too Big? – PubMed
- Importance Of Size and Proportion In Breast Augmentation – American Society of Plastic Surgeons
- Breast Prostheses: Types, Cost, And How to Choose – NHS
