Bra Size Calculator

Find your perfect bra size quickly and accurately with our simple tool.

Bra Size Calculator

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LOCATION SIZE CUP
EU 80 A or B
US 36 B
UK 36 B
FR/ES/BE 95 A or B
IT 4 A or B
AU/NZ 14 A or B
JP/KO 80 B

What is an Online Bra Size Calculator?

An Online Bra Size Calculator is a tool that helps you determine your correct bra size based on your measurements. It calculates both the band size (the number around your chest, under your bust) and the cup size (the measurement around your bust at its fullest point). By inputting key measurements, such as your underbust and overbust measurements, the calculator will provide your recommended bra size in the format of band size and cup size (e.g., 34B, 36C).


How to Use an Online Bra Size Calculator?

  1. Take Accurate Measurements:
    You will need to measure two areas of your body:

    • Underbust: Measure around your ribcage, just below your bust. Ensure the tape is snug but not tight.
    • Overbust: Measure around the fullest part of your bust while standing straight, keeping the tape comfortably around your chest.
  2. Input Your Measurements:
    Enter the measurements of your underbust and overbust into the online calculator. Some calculators may also ask for your current bra size or additional details like your preferred fit (tight or loose).

  3. Submit the Information:
    Click the Calculate button to generate your bra size. The calculator will provide your band size (the number) and cup size (the letter) based on your measurements.

  4. Review Your Size:
    The calculator will display your correct bra size, for example, 34B, 36C, or 32D. It may also provide guidance on how to adjust your size if necessary or if you fall between two sizes.

  5. Try Your New Size:
    Once you have your bra size, try on bras that match your new size to ensure they fit comfortably. If the fit isn’t perfect, you may need to adjust the band size or cup size slightly, depending on your comfort.


Frequently Asked Questions-

  1. How accurate is an online bra size calculator?

    • An online bra size calculator provides a good estimate of your bra size, but the fit can vary based on brand, style, and personal preference. It’s always recommended to try on different styles and brands, as sizing may slightly differ across manufacturers.
  2. Can I use the calculator if my measurements are between sizes?

    • Yes, if your measurements fall between sizes, the calculator will suggest either a range of sizes or help you determine which size is most likely to fit best. For example, if you measure between a 34B and 34C, the calculator may suggest trying both sizes to see which one offers a more comfortable fit.
  3. What if I don’t know how to measure myself?

    • Most online calculators provide detailed instructions on how to measure yourself properly. If you’re unsure, consider asking someone else to help you take the measurements or watch a tutorial online to guide you.
  4. Do I need to adjust my size over time?

    • Yes, your bra size can change over time due to weight changes, hormonal fluctuations, or pregnancy. It's a good idea to measure yourself periodically to ensure you're wearing the correct size and to maintain comfort and support.
  5. Can I rely on the online calculator for finding my exact size?

    • While the online bra size calculator offers a helpful starting point, it’s always recommended to try on bras before purchasing. Each brand and style can fit slightly differently, so it’s best to see what feels most comfortable and provides the proper support for your body type.

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