What cup size is 3680b? Analysis of hot topics on the Internet in the past 10 days
Recently, "What cup size is 3680b?" has become a hot topic on the Internet, triggering extensive discussions. This article will analyze this topic in detail for you based on hot data from the entire network in the past 10 days, and attach related structured data.
1. The origin of 3680b cup

"3680b" was originally derived from the product number of a bra on an e-commerce platform. It later became popular because netizens were curious about its corresponding cup size. After professional calculations, the cup sizes corresponding to 3680b are as follows:
| Bust (cm) | Underbust (cm) | cup size | Actual cup size |
|---|---|---|---|
| 92.5-95 | 80 | B | 36B/80B |
2. Relevant hot data in the past 10 days
According to public opinion monitoring across the entire network, the number of discussions on topics related to “3680b” has surged in the past 10 days. The specific data are as follows:
| platform | Amount of related topics | Maximum heat value | Main discussion direction |
|---|---|---|---|
| 128,000 | 120 million | Popular science on cup cup conversion | |
| Tik Tok | 85,000 | 65 million | Underwear Buying Guide |
| little red book | 52,000 | 32 million | body anxiety discussion |
| Zhihu | 31,000 | 18 million | Underwear size standard |
3. Cup size standard comparison
In response to the cup conversion issue that netizens are generally concerned about, we have compiled an international size comparison table:
| Underbust (cm) | International sizes | US size | European size |
|---|---|---|---|
| 68-72 | 70 | 32 | 85 |
| 73-77 | 75 | 34 | 90 |
| 78-82 | 80 | 36 | 95 |
| 83-87 | 85 | 38 | 100 |
4. Hot topics of discussion among netizens
1.size confusion: A large number of netizens expressed difficulty in understanding the underwear sizing system, especially the combination of numbers and letters.
2.Shopping advice: Professionals recommend accurately calculating the cup size through the "difference between lower bust + upper bust" instead of relying on the product number.
3.body anxiety: Part of the discussion extended to reflections on female body standards, calling for healthier aesthetic concepts.
5. Suggestions from professional organizations
The Underwear Committee of the China Textile Business Association recently issued a reminder:
| Suggestions | Specific content |
|---|---|
| Measurement timing | The most accurate measurement is 3-5 days after the end of menstruation |
| Measurement method | Take the average of three postures: upright, 45 degrees, and 90 degrees. |
| Replacement frequency | Ordinary underwear is recommended to be replaced every 6-8 months |
| Purchasing principles | Prioritize comfort |
6. Summary
The hot discussion of "3680b" reflects the public's increased attention to underwear knowledge, and also exposes the lack of related science popularization. It is recommended that consumers when purchasing:
1. Determine personal size through professional measurement
2. There may be size differences between different brands, so you need to actually try them on.
3. Pay attention to product materials and workmanship, not just size markings
The popularity of this topic is expected to continue for some time, and we will continue to pay attention to the latest developments in related discussions.
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