FR Size 100B in US — Women's Bras
FR 100B =
US 38B
French (FR) women's bras size 100B converts to United States (US) size 38B. This is a standard conversion used across most major bras brands and retailers.
When shopping from United States brands like Victoria's Secret, ThirdLove, Wacoal, look for size 38B on the label. Keep in mind that sizing can vary slightly between brands, so always check the specific brand's size chart if available.
For reference, one size down (FR 100A) is US 38A, and one size up (FR 100C) is US 38C. If you're between sizes, most fitting guides recommend sizing up for comfort.
This conversion is especially useful for international shoppers purchasing women's from United States retailers or ordering French-sized products from brands like Simone Pérèle or Chantelle to ship internationally.
Quick Converter
FR 100B =
US 38B
Full FR to US Women's Bras Size Chart
| FR | US |
|---|---|
| 80A | 30A |
| 80B | 30B |
| 80C | 30C |
| 80D | 30D |
| 80E | 30DD |
| 85A | 32A |
| 85B | 32B |
| 85C | 32C |
| 85D | 32D |
| 85E | 32DD |
| 85F | 32DDD |
| 90A | 34A |
| 90B | 34B |
| 90C | 34C |
| 90D | 34D |
| 90E | 34DD |
| 90F | 34DDD |
| 95A | 36A |
| 95B | 36B |
| 95C | 36C |
| 95D | 36D |
| 95E | 36DD |
| 95F | 36DDD |
| 100A | 38A |
| 100B | 38B |
| 100C | 38C |
| 100D | 38D |
| 100E | 38DD |
| 100F | 38DDD |
| 105A | 40A |
| 105B | 40B |
| 105C | 40C |
| 105D | 40D |
| 105E | 40DD |
| 105F | 40DDD |
| 110A | 42A |
| 110B | 42B |
| 110C | 42C |
| 110D | 42D |
| 110E | 42DD |
| 110F | 42DDD |
Frequently Asked Questions
- What is FR women's bras size 100B in US?
- FR women's bras size 100B is equivalent to US size 38B.
- Is FR size 100B the same as US size 38B?
- Yes, FR size 100B and US size 38B are equivalent in women's bras sizing. However, fit may vary slightly between brands.
- What if FR size 100B is too small — what's the next size up in US?
- The next size up from FR 100B is FR 100C, which converts to US 38C.