Measure
Follow a complete fitting journey from measuring to selecting what feels best.
Bra Measurements
Bra Size Overview
Start with band and cup fundamentals, then measure and calculate your UK starting size before validating sister sizes and conversions.
How to Measure Bra
Bra Size Calculator
Calculated Bra Size Result
Enter measurements and calculate to see your starting bra size.
Sister Sizing
Calculate your bra size first to unlock sister-size guidance.
International Bra & Knicker Size Conversion
International size conversion
Bra
Region
Band
Cup
UK
32C
US
32C
EU
70C
AU
10C
Cup conversion by band
| UK | US | EU | AU |
|---|---|---|---|
| 32A | 32A | 70A | 10A |
| 32B | 32B | 70B | 10B |
| 32C | 32C | 70C | 10C |
| 32D | 32D | 70D | 10D |
| 32DD | 32DD/E | 70E | 10DD |
| 32E | 32DDD/F | 70F | 10E |
| 32F | 32G | 70G | 10F |
| 32FF | 32H | 70H | 10FF |
| 32G | 32I | 70I | 10G |
| 32GG | 32J | 70J | 10GG |
| 32H | 32K | 70K | 10H |
Above DD, cup letters vary by brand and region. This is a starting point—always check brand fit notes.
Knickers
| Size | UK | US | EU | AU |
|---|---|---|---|---|
| XS | 6 | 2 | 34 | 6 |
| S | 8-10 | 4-6 | 36-38 | 8-10 |
| M | 12-14 | 8-10 | 40-42 | 12-14 |
| L | 16-18 | 12-14 | 44-46 | 16-18 |
| XL | 20-22 | 16-18 | 48-50 | 20-22 |
| XXL | 24-26 | 20-22 | 52-54 | 24-26 |
| 3XL | 28-30 | 24-26 | 56-58 | 28-30 |
Knicker Measurements
How to Measure Knickers
Knicker Measurement Inputs
Use natural waist, high waist, and hip to calculate a starting knicker size. Then choose your fit preference for style guidance.
Calculated knicker size
Enter all measurements and calculate to see your recommended size.
Fit preference
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