Demystifying Cup Sizing: Exploring the Number and Letter Combination

Cup sizing in the world of lingerie can often be confusing and overwhelming. The combination of numbers and letters seems like a secret code that only a select few understand. However, fear not! In this article, we will delve into the world of cup sizing, unraveling its mysteries and providing you with the knowledge to find your perfect fit.

Understanding cup sizing begins with understanding the two key elements: the band size and the cup size. The band size is represented by a number, while the cup size is denoted by a letter. When you see a bra labeled as “34D,” for example, the number refers to the band size, and the letter represents the cup size.

Now, let’s explore the band size first. The band size is the measurement around your ribcage, just beneath your breasts. It is usually measured in inches and is typically an even number. To determine your band size, measure around your ribcage and ensure the measuring tape is snug but not too tight. If the measurement is an odd number, round it up to the nearest even number. That rounded-up number will be your band size.

Next, let’s delve into the cup size. The cup size is determined by the difference between the band size and the measurement around the fullest part of your breasts. The measurement difference then corresponds to a specific letter. For example, a 1-inch difference represents an A cup, while a 2-inch difference equates to a B cup, and so on.

It is important to note that cup sizes are not static and may vary across different band sizes. This means that a D cup for a 32 band size may not be the same as a D cup for a 38 band size. As the band size increases, the cup size increases as well to maintain proportionality. This correlation is known as “sister sizing,” where if you go up a band size, you should go down a cup size to maintain a similar fit.

To further clarify this concept, let’s take an example. Say you initially wear a 34C bra and find that the band feels tight, but the cups fit well. In this case, you can try sister sizing and go up a band size to 36. However, since the band size increased, you would need to decrease the cup size to maintain the same relative fit. Therefore, in this scenario, you should try a 36B, which should provide you with a more comfortable fit in the band while maintaining the same cup volume.

Now that we have demystified the basics of cup sizing, let’s explore some common questions and provide you with the answers you seek.

1. Is cup size the same across all brands?
No, cup sizing can vary slightly between brands. It is essential to try on different brands and styles to find the best fit for you.

2. Can cup size change due to weight fluctuations or pregnancy?
Yes, weight fluctuations and pregnancy can cause changes in breast size, which may affect your cup size. It is important to measure yourself regularly and adapt your bra size accordingly.

3. What does it mean if the band fits but the cups are too small?
If the band size feels comfortable, but the cups are too small, you may need to increase the cup size while keeping the same band size. For example, if you wear a 34B and the cups feel tight, you can try a 34C or even a 34D.

4. What if I have a smaller bust but a larger band size?
If you have a smaller bust but a larger band size, you may need to explore brands that offer a wider range of band sizes, such as those specializing in full figure or plus-size lingerie. These brands typically provide cup sizes that cater to different body proportions.

5. What if my band and cup size don’t seem to match up?