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How do girls know their bra size?

Published in Bra Sizing 2 mins read

Girls determine their bra size through a process involving two key measurements: the band size and the cup size, typically done using a measuring tape.

Measuring for Bra Size

Here's how the process generally works:

  1. Band Measurement:

    • Measure around the torso, just below the bust, where the bra band usually sits. This provides the band size.
    • The video referenced shows an example where the band measured 30 inches.
  2. Bust Measurement:

    • Measure around the fullest part of the bust, usually over the nipples.
    • In the video reference, this measurement was 34 inches.
  3. Calculating Cup Size:

    • Subtract the band measurement from the bust measurement.
    • The difference determines the cup size.
    • For example, as shown in the video, 34 inches (bust) - 30 inches (band) = 4 inches. This difference corresponds to a D cup.

Understanding Cup Sizes

Cup sizes are represented by letters (A, B, C, D, DD/E, F, etc.), where the difference between the bust and band measurements usually determines the letter. Typically:

  • 1 inch difference = A cup
  • 2 inch difference = B cup
  • 3 inch difference = C cup
  • 4 inch difference = D cup
  • 5 inch difference = DD or E cup and so on.

Here is a table summarizing the process:

Measurement How to Measure Example (inches)
Band Size Around torso below the bust 30
Bust Size Around the fullest part of the bust 34
Cup Size Difference Bust Size - Band Size 34 - 30 = 4
Cup Size Difference correlates to cup size D

Practical Tips and Insights

  • Professional Fitting: It's advisable to get professionally fitted at a lingerie store, especially when starting to wear bras or when experiencing size changes.
  • Size Variations: Bra sizes can vary between brands, so trying on different bras is important.
  • Regular Check-Ups: Bra size can change due to weight fluctuations, pregnancy, or other body changes; therefore, regular measurements are recommended.
  • Comfort is Key: The bra should fit comfortably, not too tight nor too loose.

By understanding these simple steps, girls can figure out their bra size to find a comfortable and supportive fit.

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