What size implant fits you?
Based on your measurements and aesthetic goals
Medical Disclaimer: This tool provides general educational estimates. Always consult your prescribing physician or healthcare provider before making medication changes or interpreting results from population-based models.
Frequently Asked Questions
Several factors influence appropriate implant sizing: breast base width, chest wall dimensions, amount of existing breast tissue, skin elasticity, body frame type, and your aesthetic goals. Plastic surgeons measure these factors during consultation to recommend an appropriately sized implant range.
Breast implants are measured in cubic centimeters (cc), not cup sizes. Approximately 130-200 cc of implant volume corresponds to one cup size increase, depending on chest width and existing breast tissue. A 300cc implant will look different on varying body types, and cup sizes are not standardized across brands.
In the United States, the most common implant sizes range from 300cc to 400cc. Small-framed women typically select 250-300cc, medium-framed women often choose 300-400cc, and larger-framed women may select 400-500cc. The ideal size varies based on individual body proportions and desired outcome.
Implant profile refers to how far the implant projects from the chest wall relative to its base width. Low profile has the widest base with minimal projection. Moderate profile offers a balanced width-to-projection ratio. High profile has a narrower base with more forward projection. Ultra-high profile has the narrowest base with maximum projection. Your natural chest width, desired projection, and lifestyle should guide this decision.
Not necessarily. Larger implants that exceed your natural breast dimensions may appear less natural and potentially cause complications over time. The most natural results typically come from implants that match your breast base width, are proportionate to your body frame, consider your tissue characteristics, and allow for adequate tissue coverage.
Sources
- Pfeiffer M, et al. What is the standard volume to increase a cup size for breast augmentation surgery? A novel three-dimensional computed tomographic approach. Plast Reconstr Surg. 2017;139(5):1084e-1089e. Link
- Tebbetts JB, Adams WP. Five critical decisions in breast augmentation using five measurements in 5 minutes. Plast Reconstr Surg. 2005;116(7):2005-2016. Link
- Adams WP Jr. The process of breast augmentation: four sequential steps for optimizing outcomes for patients. Plast Reconstr Surg. 2008;122(6):1892-1900. Link
- Pusic AL, et al. Development of a new patient-reported outcome measure for breast surgery: the BREAST-Q. Plast Reconstr Surg. 2009;124(2):345-353. Link
- U.S. Food and Drug Administration. Risks and Complications of Breast Implants. Link
Methodology
This calculator estimates implant volume using a per-cup-size increment of approximately 175 cc (range 140-210 cc), adjusted for body frame size. The base conversion is informed by 3D CT volumetric data from Pfeiffer et al. (2017), which measured actual breast volume changes per cup size across diverse body types. Current cup size is derived from the bust-to-underbust difference in centimeters (2.5 cm increments per cup), and frame size modifies the recommended volume range by +/-15%. Profile recommendations (low, moderate, high, ultra-high) follow the Tebbetts-Adams dimensional planning system, where narrower chest widths indicate higher-profile implants to achieve the desired projection within anatomical constraints.
These estimates are approximations based on population-level data. Individual factors such as skin elasticity, breast tissue density, chest wall shape, and implant placement (subglandular vs. submuscular) significantly affect outcomes. Final sizing should be determined with a board-certified plastic surgeon using dimensional planning and trial sizers.
Breast implant sizing uses ~175cc per cup size increase, adjusted for body frame. Small frames need ~15% less volume. Profile selection (low to ultra-high) depends on chest width relative to desired projection. Most common sizes: 300-400cc. Cost ranges $4,000-$8,000 in the US.
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