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Let a friend or your partner help you with the measurement.
Wear a well-fitting T-shirt bra without padding while measuring.
Stand up straight, breathe calmly and evenly and let your arms hang relaxed at your sides.
Use a measuring tape.
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20% OFF Shaper Breast Forms
For a limited time only, enjoy 20% off all shaper breast forms, excluding the Custom-Fit Breast Form
Promotion Terms and Conditions - offer applies to all online orders for shaper breast forms, excluding the Custom-Fit Breast Fit. Offer will be applied automatically at the checkout. Cannot be used in conjunction with any other promotion or discount. Offer ends at midnight on 14th May 2026.
For a limited time only, enjoy 20% off all shaper breast forms, excluding the Custom-Fit Breast Form
Promotion Terms and Conditions - offer applies to all online orders for shaper breast forms, excluding the Custom-Fit Breast Fit. Offer will be applied automatically at the checkout. Cannot be used in conjunction with any other promotion or discount. Offer ends at midnight on 14th May 2026.
Bra Size Calculator
amoena’s bra size calculator makes it easy to find your best fit at home, helping you feel comfortable and supported every day. With a few simple steps, you can get a personalised size recommendation for bras and swimwear.
Designed with you in mind, the calculator guides you through measuring for a more accurate fit, helping you find styles that feel secure, supportive and comfortable.
Measure Yourself to Find Your Bra Size
Use a measuring tape and this online calculator – it’s easy and gives a recommendation for your best bra size.
How to find the right size for your bra
When buying a new mastectomy bra, you want it to fit well. We encourage you to learn more about bra fitting and measurement, and to rely on the fitting services of our Amoena retailers; if that’s not possible, use this Amoena bra size calculator to determine your correct bra and swimwear sizes online. You may also want to use these guides to check that your breast form size or shaper size.
4 Quick Tips
Measure both the underbust width and the chest or half-chest circumference.