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How is a UK bra cup size determined

How is a UK bra cup size determined

Andrea TBFS |

A bra's cup size is determined by the difference in measurement between the band size (the circumference of your ribcage just below your breasts) and the bust size (the circumference of your chest at the fullest part of your breasts). The cup size is represented by a letter (e.g., A, B, C, D, etc.) and indicates the volume or depth of the bra cup relative to your bust measurement. Here's how it works:

  1. Measure Your Band Size:

    • Use a flexible measuring tape to measure around your ribcage, just under your bust. Make sure the tape is snug but not tight, and measure in inches. Round the measurement to the nearest whole number. This is your band size.
  2. Measure Your Bust Size:

    • Measure around the fullest part of your breasts while keeping the measuring tape comfortably taut but not tight. Again, round the measurement to the nearest whole number.
  3. Calculate the Difference:

    • Subtract your band size from your bust size. The resulting number represents the difference in inches between your band measurement and your bust measurement.
  4. Determine Your Cup Size:

    • Use the following scale to determine your cup size based on the difference you calculated:

      • 1 inch: A cup
      • 2 inches: B cup
      • 3 inches: C cup
      • 4 inches: D cup
      • 5 inches: DD or E cup
      • 6 inches: DDD or F cup
      • 7 inches: G cup
      • 8 inches: H cup
      • And so on...
    • For example, if your band size is 34 inches, and your bust measurement is 37 inches, the difference is 37 - 34 = 3 inches, which corresponds to a C cup.

It's important to note that the sizing system may vary slightly between countries and lingerie brands. Also, not all brands use the same cup size labeling (e.g., some may use DD instead of E), so be sure to check the brand's specific sizing chart for accuracy.

Additionally, proper bra fitting goes beyond band and cup size. The style and shape of a bra can also affect the fit, so it's a good idea to try on different bras and consult with a professional bra fitter to find the best-fitting bra for your body shape and comfort.

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