Bra Size Calculator
This calculator estimates bra size based on bust size and band size (frame size). To ensure accuracy, measure to the nearest ¼ inch or ½ cm. Results are provided for US, UK, EU, France/Belgium/Spain, and Australia/New Zealand.
The bust size is the loose circumference measured around the chest over the fullest part of the breasts.
The band size is the firm circumference measured directly underneath the breasts.
Enter your measurements and click Calculate to see results.
US/CA Size
Note: Bra sizing varies between manufacturers. These results are approximate. We recommend trying on bras and consulting a fitting specialist for the best fit.
Bra Size Converter
Convert bra sizes between different locations.
Band Size Reference
| Size | FR/BE/ES | EU | US & UK | AU/NZ |
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Cup Size Reference
| Difference (in) | US Cup | UK/AU Cup |
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