The Difference Between CCs and Cup Sizes

One of the most common questions patients ask during a breast augmentation consultation is, “How many CCs will get me to my desired cup size?” It’s a great question but it doesn’t have a simple answer.

‍

Many people assume that CCs (cubic centimeters) and bra cup sizes are directly connected. In reality, they are two very different ways of measuring breast size, and understanding the difference is key to setting the right expectations for your surgical results.

‍

What Are CCs (and mLs)?

CCs (cubic centimeters) are a precise unit of volume that measures the size of a breast implant. When a surgeon discusses implant options, they will typically refer to them in CCs — for example, 300cc, 400cc, or 500cc implants.

‍

Some of our surgeons may also use mLs (milliliters) when talking about implant volume.
‍

Good to know: 1 mL = 1 CC

They are simply two different units for measuring the same thing.

‍

Whether your surgeon says "400cc" or "400mL," they are referring to the same implant volume.

‍

Why Do Surgeons Use CCs?

• CCs and mLs are precise and standardized.
• They allow surgeons to consistently measure the exact volume of an implant.
• They are not subjective or influenced by body shape or bra brand.

‍

CCs and mLs measure volume, not appearance.
‍

The same size implant can look very different depending on a person’s body type.

‍

Factors That Influence How CCs (or mLs) Will Look on You

• Your height and torso length
• Your chest width (narrow or broad)
• The amount of natural breast tissue you already have
• Your skin elasticity and firmness
• Whether the implant is placed over or under the muscle

‍

What Are Cup Sizes?

Cup sizes are part of the traditional bra sizing system, like 34B, 36C, or 32D. Most people are familiar with this measurement because it’s how we typically buy bras.

‍

The problem is cup sizes vary by brand and country, and they depend on band size for instance, a 34C is smaller than a 38C.

‍

This inconsistency is why plastic surgeons don’t typically guarantee specific cup sizes after surgery — instead, they focus on helping you achieve the look you want based on proportion, shape, and volume.

‍

How Surgeons Help You Choose the Right Size

Rather than focusing on numbers alone, your surgeon will help you choose an implant size based on:

• Desired look: Photos of your desired shape help a lot.
• Natural body shape: Chest width, rib cage, and breast base guide size choice.
• Lifestyle: Do you want a dramatic or natural look?
• Tissue characteristics: Skin elasticity and muscle affect implant look.

‍

Tools That Can Help

• 3D imaging technology to show simulated results
• Sizing bras or sizers you can try on in the office
• Before-and-after photos of patients with similar body types

‍

The Real Goal: Proportion Over Size

When considering breast augmentation, it’s essential to think beyond cup size and focus on achieving the look, feel, and proportion that fits your body and personal style.

‍

Some patients want:

• A natural, subtle enhancement that balances their figure.
• A fuller, rounder look with more upper pole fullness.
• A dramatic change that complements their frame.

‍

Every patient’s vision is different, and that’s why working closely with your surgeon is so important.

‍

CCs and Cup Sizes Are Starting Points — Not the Whole Story

When you’re thinking about breast augmentation, remember:

• CCs measure implant volume and are consistent.
• Cup sizes measure bra fit and can vary greatly.
• The same implant volume can look completely different on two people.
• Focus on your personal goals, body proportions, and desired outcome instead of aiming for a specific cup size.

‍

The best results come from personalized planning, honest conversations with your surgeon, and a focus on balance and harmony with your unique body.

‍

If you’re considering breast augmentation and want to explore your options, we’d love to guide you through the process with personalized care and expert advice. Contact us today to schedule a consultation!