Understanding Breast Cup Sizes: A Complete Guide to Bra Measurements
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What Are Breast Cup Sizes?
Breast cup sizes (bra cup sizes) are alphabetical measurements indicating the volume difference between a person's bust and underbust measurements. The standard sizing system uses letters A through K+, with each letter representing approximately 1-inch difference.
How to Measure Bra Cup Size Correctly
- Step 1: Measure underbust for band size
- Step 2: Measure bust at fullest point
- Step 3: Subtract band size from bust measurement
- Step 4: Use cup size chart:
Difference Cup Size 0-1" AA 1-2" A 2-3" B 3-4" C
Key Factors Affecting Cup Sizes
Common bra fitting mistakes include:
- Wearing outdated measurements
- Ignoring breast shape variations
- Not adjusting for different bra styles
Frequently Asked Questions
Q: Do cup sizes vary by brand?
A: Yes, bra sizing consistency differs across manufacturers.
Q: How often should I remeasure?
A: Experts recommend annual bra fittings.
Need personalized help? Use our interactive bra size calculator or explore our cup-size-specific bra recommendations.
