Last updated on October 23, 2025
If you’re considering breast augmentation, one of the most important decisions you’ll make is choosing the right implant size. Many women gravitate towards the C cup as it’s often seen as the “just right” option.
But is a C cup truly the perfect size for everyone? Let’s explore what C cup breast implants look like, how they compare to other sizes and whether they might be the right choice for your body type and lifestyle.
What Do C Cup Breasts Look Like?
A C cup is widely considered to be a medium-to-full size in the world of bras and breast implants. For many women, it offers a fuller appearance than a B cup without being as prominent as a D cup. C cup breasts are often associated with a natural-looking silhouette, which is why they are so frequently requested in consultations.
Of course, the final look depends on a few other factors such as your body shape, height, chest width and the profile of the implant used. A C cup on a petite woman may appear larger than the same cup size on someone taller or with a broader frame. This is why it is important to consider proportion when choosing an implant size.
How Big Are C Cup Breasts?
The size of a C cup breast implant generally falls within a specific range of volume measured in cubic centimetres (ccs). On average, to achieve a C cup, patients might opt for implants between 300cc to 400cc, depending on their starting breast tissue and desired look.
But it’s not just about volume. The shape of the implant, whether it’s round or teardrop, moderate or high profile, will also influence how full your C cup appears. A moderate profile implant will provide a gentle, natural curve, while a high-profile implant offers more projection and fullness at the top of the breast.
How Much Do C Cup Breasts Weigh?
Natural C cup breasts typically weigh between 300g to 500g per breast, depending on factors like tissue density and body composition. In total, it amounts to roughly 600 to 1kg (1.3 to 2.2 pounds).
In comparison, C cup breast implants weigh approximately 350 grams each, or about 0.77 pounds. Together, both implants could add up to 700 grams to your total body weight.
Breast implant weight is often overlooked, but it can make a difference to posture and comfort. While 700 grams doesn’t sound like much, it’s important to consider how this added weight may feel on your chest and shoulders, especially if you’re highly active or have a smaller frame.
Is a C Cup Considered Big?
A C cup is generally seen as moderate to full, depending on your perspective and local fashion norms. In the UK, where the average bra size has gradually increased over the years, a C cup is now considered slightly below average or just around average.
For many patients, it’s the “just right” option, not too large to attract excessive attention or limit movement, but full enough to fill out clothes beautifully and create a more defined waistline.
Breast Augmentation and the C Cup Choice
C cup implants are one of the most requested sizes in breast augmentation, particularly for first-time patients. They tend to deliver a significant change without compromising a natural aesthetic, which is often the goal for women seeking a more feminine figure or correcting volume loss after pregnancy or weight loss.
At Breast & Body UK, we understand that choosing the right implant size is deeply personal. Our Manchester-based surgeons provide detailed consultations to help you choose the implant volume and projection that align with your goals.
Breast augmentation surgery involves placing silicone or saline implants either above or below the chest muscle. For women desiring a C cup, the procedure typically involves selecting an implant size around 300–400cc, although individual anatomy plays a key role.
What If You’re Starting With Smaller Breasts?
If you’re starting with an A or AA cup, achieving a full C cup might require a more significant implant. Your surgeon may suggest a two-stage approach or advise that a C cup might appear quite large, depending on your chest width. In some cases, you may be better suited to a B cup implant or a small C to ensure a proportional and natural result.
Consulting with a Leading Plastic Surgeon at Breast & Body Clinic UK
Breast augmentation is one of the most commonly requested cosmetic procedures in the UK, yet the process of choosing the right implant size, shape and profile is far from one-size-fits-all. Whether you’re looking to restore lost volume, achieve better symmetry, or enhance your natural silhouette, a well-planned augmentation can dramatically improve both confidence and body proportions.
At Breast & Body UK, procedures are tailored to each patient’s unique body type, goals and health profile, ensuring both safety and natural-looking outcomes.
If you’re exploring options, we encourage you to book a free consultation with our expert surgeons. During your consultation, we’ll assess your concerns, discuss your goals and provide a tailored recommendation.
FAQs
How big is a size C breast implant?
A C cup breast implant typically ranges between 300cc to 400cc, though the final size will depend on your existing breast tissue, chest wall dimensions and implant profile. Your surgeon will work with you to determine the most appropriate size based on your desired outcome and physical proportions.
Is a C cup breast considered big?
In the UK, a C cup is considered average to slightly below average. It provides a noticeable enhancement without being too large, making it an ideal choice for women seeking a fuller but natural look.
What do C cup breasts look like?
C cup breasts have a fuller, rounded shape that enhances cleavage and upper body balance. They are often described as curvy yet proportional, and their appearance can vary depending on body shape and the type of implant used.
How many cc’s are in a full C cup?
To achieve a full C cup, most patients require implants between 330cc to 370cc, depending on their starting size and tissue elasticity. However, exact cc amounts can differ from person to person, which is why individual consultations are key.
How heavy are C cup implants?
Each C cup implant typically weighs around 300 to 400 grams. Combined, both implants can add approximately 700 to 800 grams (1.5 to 1.8 pounds) to your body weight, although this varies slightly depending on whether silicone or saline is used.
How much weight do C cups add?
C cup implants typically range from 300cc to 400cc per breast, which translates to approximately 300 to 400 grams each. In total, you can expect to add around 600 to 800 grams to your body weight, less than a kilo, but still enough to notice in terms of posture and support.
How much do C cup implants cost?
At Breast & Body UK, the cost of C cup breast augmentation will vary depending on the type of implant, surgical technique and whether any additional procedures (such as a breast lift) are required. On average, you can expect to invest at least £5,500, with tailored quotes provided during your consultation.
The information on the website is for general guidance only and cannot be used as a basis to make a surgical decision, an initial consultation with our doctor is required to help patients make an informed decision before proceeding with any surgical procedure. Any surgical or invasive procedure carries risks. Before proceeding, you should seek the opinion of an appropriately qualified health practitioner
About The Author
Mr A. Siddiqui
Mr Siddiqui is a Consultant Plastic and Cosmetic Surgeon, based at The Countess of Chester Hospital in the Department of Plastic and Reconstructive Surgery. He trained extensively in plastic surgery before becoming a Consultant in the NHS and developing a private practice in Manchester and other areas of the Northwest. He is considered to be one of the top 10 cosmetic surgeons in Manchester.
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