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How to Calculate Bra Size Converter

What is Bra Size Converter?

Bra size converters translate between US, UK, European, and Australian sizing systems using band size and cup letter.

Step-by-Step Guide

  1. 1Band size: bust + 5 inches (US), bust (UK/EU cm)
  2. 2Cup: 1 inch breast circumference = 1 cup size
  3. 3Conversions: US/AU differ from UK/EU by band size scale

Worked Examples

Input
US 36C bra
Result
UK 36C, EU 80C (band metric), AU 12C
Cup letter consistent

Common Mistakes to Avoid

  • Wearing wrong size (most women do; affects comfort, appearance)
  • Not getting professionally fitted (recommended annually)

Frequently Asked Questions

How often should bra size be checked?

Annually at minimum; weight changes, hormone fluctuations, and breast tissue changes occur.

Why do sizes vary by brand?

Inconsistent manufacturing, different cup/band ratios. Same size number differs between brands significantly.

Ready to calculate? Try the free Bra Size Converter Calculator

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