Bra Size Converter

Convert between bra band sizes across different regions

Our free online bra size converter supports 5 different units with instant, accurate results. All conversion factors are based on definitions from the International Bureau of Weights and Measures (BIPM) and verified against NIST standards. Results are accurate to 6 or more decimal places.

Download Printable Conversion Table (PDF)

Popular Bra Size Conversions

US Bra Size → UK Bra Size

US → UK

UK Bra Size → US Bra Size

UK → US

US Bra Size → EU Bra Size

US → EU

EU Bra Size → US Bra Size

EU → US

UK Bra Size → EU Bra Size

UK → EU

EU Bra Size → UK Bra Size

EU → UK

US Bra Size → French Bra Size

US → FR

US Bra Size → Australian Bra Size

US → AU

All Bra Size Conversions

Convert Bra Size Units

Convert from US Bra Size (US)

→ UK Bra Size

→ EU Bra Size

→ French Bra Size

→ Australian Bra Size

Convert from UK Bra Size (UK)

→ US Bra Size

→ EU Bra Size

→ French Bra Size

→ Australian Bra Size

Convert from EU Bra Size (EU)

→ US Bra Size

→ UK Bra Size

→ French Bra Size

→ Australian Bra Size

Convert from French Bra Size (FR)

→ US Bra Size

→ UK Bra Size

→ EU Bra Size

→ Australian Bra Size

Convert from Australian Bra Size (AU)

→ US Bra Size

→ UK Bra Size

→ EU Bra Size

→ French Bra Size

Last updated: November 27, 2025