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Bra Size Calculator
Calculate bra band and cup size
Current: Band: 34", Bust: 37" → 34C
How It Works
Calculate bra band and cup size based on underbust and bust measurements.
A bra size calculator estimates band and cup size from body measurements. The underbust measurement determines the band size, while the difference between bust and underbust determines the cup letter. Sizing systems vary between US, UK, EU, and other international standards. In the US system, band size is the underbust rounded to the nearest even number, and each inch of difference corresponds to one cup letter.
Results
Enter values to see results
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Quick Tips
- • Results update automatically as you type
- • Use Tab to navigate between fields
- • Press Enter to calculate
Frequently Asked Questions
How does the Bra Size Calculator work?
Simply enter your values into the input fields above. The Bra Size Calculator uses standard formulas to compute results instantly as you type or click.
Is the Bra Size Calculator free?
Yes, this calculator is completely free to use. No registration, no hidden fees, no limits.
How accurate are the results?
Results are computed using industry-standard mathematical formulas. For critical decisions, we recommend consulting a professional.
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