Bra Size Calculator
Band rounding plus cup differential — the standard US method.
Your US size
32C
- Cup differential
- 4 inch(es)
- Sister sizes
- 34B · 30D
How the Bra Size Calculator works
The calculation follows the standard method used across the US — no shortcuts, no hidden assumptions. Here is exactly what happens behind the scenes:
Frequently Asked Questions
How does the Bra Size Calculator work?
Enter your numbers above and results update instantly using standard formulas, computed entirely on your device.
Is the Bra Size Calculator free to use?
Yes — completely free with no signup required, and it works on phones, tablets, and desktops.
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