Find your perfect fit with our comprehensive bra size calculator. Get accurate measurements, size charts, and expert fitting tips all in one place.
This calculator provides a starting point. Fit can vary by brand, style, and body shape. Always try on bras when possible or check return policies when shopping online.
Help others find this useful tool by sharing it on social media!
Link copied to clipboard!
Explore our specialized calculators designed for specific needs and activities.
Convert between different international bra sizing systems with our accurate conversion tools.
| US Size | UK Size | EU Size | FR Size | AU Size |
|---|---|---|---|---|
| 30A | 30A | 65A | 80A | 8A |
| 32A | 32A | 70A | 85A | 10A |
| 34B | 34B | 75B | 90B | 12B |
| 36C | 36C | 80C | 95C | 14C |
| 38D | 38D | 85D | 100D | 16D |
| 40DD | 40E | 90E | 105E | 18E |
| 42DDD | 42F | 95F | 110F | 20F |
Sister sizes have the same cup volume but different band sizes. If your usual size doesn't fit well, try these alternatives:
| Smaller Band | Your Size | Larger Band |
|---|---|---|
| 30C | 32B | 34A |
| 32D | 34C | 36B |
| 34DD | 36D | 38C |
| 36DDD | 38DD | 40D |
| 38G | 40DDD | 42DD |
| Difference (inches) | Cup Size |
|---|---|
| 0" | AA |
| 1" | A |
| 2" | B |
| 3" | C |
| 4" | D |
| 5" | DD/E |
| 6" | DDD/F |
| 7" | G |
| 8" | H |
The band should provide 80% of the support. It should be snug but comfortable, parallel to the floor.
Cups should completely encase breast tissue without spillage, gaps, or wrinkling.
Straps should stay in place without digging into shoulders or sliding off.
Learn from professional bra fitting specialists with our comprehensive guides and expert advice.
Finding the right lingerie can feel like cracking a secret code. Discover top bra styles for every outfit and tips for going braless with confidence.
From outdated measurements to inconsistent brand systems, bra sizing has a surprisingly tangled past that continues to affect shoppers today.
Your body sends clear signals when your bra doesn't fit properly. Learn to recognize these health warning signs and understand their connection to bra fit.
Are you among the 80% of women wearing the wrong bra size? Discover the most common fitting mistakes and learn how to fix them for better comfort and support.