Bra Size Converter Guide
Our Bra Size Converter is a comprehensive tool designed to help you find your perfect bra size across different international sizing systems. Whether you’re shopping online from international retailers or trying to understand your size in a different country’s system, our converter makes it easy to get accurate conversions.
Features
- Measurement Calculator: Input your underbust and bust measurements to calculate your bra size
- International Conversions: Convert between US, UK, EU, French, Italian, Australian, and Japanese sizes
- Sister Sizes: Find alternative sizes that may fit better or be more readily available
- Multi-System Comparison: View your size across all major sizing systems at once
- Fitting Guide: Learn how to measure yourself and ensure proper fit
- Mobile-Friendly: Use on any device with our responsive design
How to Use
Method 1: Calculate from Measurements
- Enter your underbust measurement (in inches)
- Enter your bust measurement (in inches)
- Click “Calculate Size”
- View your calculated size and all available conversions
Method 2: Convert Existing Size
- Select your current size system (e.g., US, UK, EU)
- Enter your current size (e.g., 32B)
- Select the target size system
- Click “Convert”
- View the converted size and sister sizes
Understanding Bra Sizes
Key Components
| Component | Description |
|---|---|
| Band Size | The number in your bra size (e.g., 32 in 32B) |
| Cup Size | The letter in your bra size (e.g., B in 32B) |
| Sister Size | Alternative size with same cup volume but different band size |
International Size Systems
| System | Band Size | Cup Size | Notes |
|---|---|---|---|
| US | Inches | A, B, C, D, DD, DDD, G, H, I, J, K, L, M, N | Standard US sizing |
| UK | Inches | A, B, C, D, DD, E, F, FF, G, GG, H, HH, J, JJ | Similar to US but with different cup progression |
| EU | Centimeters | A, B, C, D, E, F, G, H, I, J, K, L, M, N | Band size = underbust in cm + 15 |
| France | Centimeters | A, B, C, D, E, F, G, H, I, J, K, L, M, N | Similar to EU sizing |
| Italy | Inches | A, B, C, D, E, F, G, H, I, J, K, L, M, N | Similar to EU sizing |
| Australia | Inches | A, B, C, D, DD, E, F, FF, G, GG, H, HH, J, JJ | Similar to UK sizing |
| Japan | Centimeters | A, B, C, D, E, F, G, H, I, J, K, L, M, N | Similar to EU sizing |
How to Measure Yourself
Step-by-Step Guide
Underbust Measurement