About BraSizePRO
Learn how BraSizePRO provides measurement-based bra sizing references, fit guidance, and international size comparisons.
What BraSizePRO Does
BraSizePRO provides measurement-based sizing references and fit guidance for bras and related garments. The calculators are designed to give you a useful starting point from the measurements you enter, not to establish a universally correct bra size.
Bra sizing is not standardized across every manufacturer or garment. Research has found meaningful differences between bra-fitting methods and variation in cup volume between manufacturers, particularly as cup size increases.
Our Approach
BraSizePRO uses body measurements and explicit sizing-system mappings to produce reference results. Where a garment or brand can differ, the site directs you to compare the result with the manufacturer's current size chart and the actual garment fit.
The goal is practical sizing education: measure consistently, use the result as a starting point, and reassess fit based on the specific garment's construction, shape, stretch, and intended use.
Independent Sizing Information
BraSizePRO is not a bra manufacturer or retailer. Brand-specific information is presented as reference information rather than a guarantee of fit, and product-level sizing should always be checked against the current manufacturer's chart.
Scope & Limitations
Body shape, breast shape, posture, measurement technique, and garment construction can all affect fit. Research also shows that measurement method and breathing state can affect calculated bra-size estimates.
BraSizePRO therefore avoids presenting a calculated label as anatomical or medical truth. A size label is a useful clothing reference, while fit is determined by how a particular garment sits on a particular body.