Bra Size Calculator

    Calculate your bra size from band and bust measurements. Get accurate cup size and band size recommendations.

    Inputs

    About the Bra Size Calculator

    The Bra Size Calculator helps you determine your accurate bra size by combining two key measurements — your band size (around the ribcage) and your bust size (around the fullest part of your chest). By understanding these values, you can find the perfect bra fit that offers both comfort and support, helping to improve posture and prevent discomfort caused by ill-fitting bras.

    •Features

    • –Accurately determines your band and cup size based on two body measurements.
    • –Provides a reference chart for quick comparison and understanding of cup differences.
    • –Gives detailed measurement tips to ensure precise and consistent results.
    • –Supports both imperial (inches) and metric (centimeters) measurement systems.
    • –Ideal for online bra shopping or checking current bra fit at home.

    •How to Use

    1. 1.Measure your band size snugly around your ribcage, directly under your bust.
    2. 2.Measure your bust size around the fullest part of your chest, keeping the tape level and not too tight.
    3. 3.Enter both measurements into the calculator and click “Calculate.”
    4. 4.Review the suggested bra size result — including both the band number and cup letter.
    5. 5.Compare with the Cup Size Chart for reference and fine-tune if necessary.

    •Cup Size Chart

    • –0–0.5": AA
    • –0.5–1": A
    • –1–1.5": B
    • –1.5–2": C
    • –2–2.5": D
    • –2.5–3": DD/E
    • –3–3.5": DDD/F
    • –3.5–4": G
    • –4–4.5": H
    • –4.5–5": I
    • –5–5.5": J
    • –5.5–6": K
    • –6"+: L+

    •Measurement Tips

    • –Use a soft measuring tape for flexibility and accuracy.
    • –Stand straight with arms relaxed at your sides while measuring.
    • –Ensure the tape is parallel to the ground for even measurements.
    • –Take measurements while wearing a lightly padded or non-padded bra for best results.
    • –Double-check your results and round to the nearest even number for the band size.

    •Understanding Your Result

    Your bra size consists of two parts: a number (the band size) and a letter (the cup size). For example, in 34C — 34 represents the band size, while Cindicates the cup size determined by the difference between your bust and band measurements.

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