What is Bra Size Calculator?
Calculate your perfect bra size with our #1 free bra size calculator. Get instant results with step-by-step measuring guide for the most comfortable fit. Supports US, UK, EU, AU sizing systems with professional formulas and sister size recommendations.
Problem
Users struggle to determine accurate bra sizes through manual measurements or in-store fittings, leading to ill-fitting bras and discomfort due to inconsistent sizing standards across regions.
Solution
A web-based tool that generates accurate bra sizes using professional formulas and step-by-step measurement guides, allowing users to input measurements and receive size recommendations in US, UK, EU, and AU systems with sister size options.
Customers
Women shopping for lingerie online, lingerie retailers, and fashion influencers seeking reliable sizing solutions for customers or content creation.
Unique Features
Multi-region sizing system support, sister size recommendations, real-time calculation engine, and a visual measuring guide to minimize errors.
User Comments
Simplifies bra shopping online
Accurate across different brands
Clear measurement instructions
Saves time vs. in-store fittings
Helpful sister sizes feature
Traction
Launched on ProductHunt (500+ upvotes), integrated by 10+ lingerie brands, and used by 50,000+ monthly active users (self-reported).
Market Size
Global lingerie market valued at $84.4 billion in 2023 (Grand View Research), with 70% of women wearing incorrectly sized bras (Journal of Clothing Science).