Bra Size Calculator

💕 Bra Size Calculator

International Guide

📏 How to Measure
Band Size (Under Bust): Measure snugly around your ribcage directly under your bust. You should be able to fit one finger comfortably underneath.
Bust Size (Over Bust): Measure around the fullest part of your bust. Wear a light shirt and keep the tape comfortably snug.
🎯 Calculate Your Size
Your Perfect Size
—
Enter measurements to calculate
📊 Interactive Size Chart
Click any band size, then select cup size to see conversions worldwide

Band Size

Cup Size

🌍 International Conversions
Bra sizes vary by country. Use these tables to find your size worldwide.

Band Size Conversions

USA UK EU FR AU IN JP
28 28 60 80 6 28 5
30 30 65 85 8 30 7
32 32 70 90 10 32 9
34 34 75 95 12 34 11
36 36 80 100 14 36 13
38 38 85 105 16 38 15
40 40 90 110 18 40 17

Cup Size Conversions

USA UK EU FR AU IN JP
AA AA AA A AA AA AA
A A A B A A A
B B B C B B B
C C C D C C C
D D D E D D D
DD E E F DD DD E
DDD F F G DDD DDD F
G FF G H G G G
💡 Pro Tips
✓ Measure without a bra for accuracy
✓ Use a soft measuring tape (never a ruler)
✓ Take measurements 2-3 times and average them
✓ Measure in the morning for best results
✓ Keep tape parallel to the ground
⚠ Don’t pull tape too tight – one finger should fit comfortably
⚠ Remeasure every 6 months or after weight changes

International Bra Size Calculator Perfect Fit Starts Here

Three-Step Action Plan

Step 1: Gather Your Materials

  • Soft, flexible measuring tape
  • Minimal clothing or natural state
  • Comfortable, quiet space
  • Pen and paper for notes (optional)

Step 2: Take Accurate Measurements

  • Follow our professional measurement guide
  • Measure band (underbust)
  • Measure bust (fullest point)
  • Record both measurements

Step 3: Use Your Results

  • Receive your primary size
  • Review international conversions
  • Explore sister sizes
  • Make informed purchase decisions
  • Validate with professional fitting (optional)

Next Steps After Calculating Your Size

For Online Shopping:

  1. Use confirmed size as primary choice
  2. Add sister sizes as alternatives
  3. Check brand-specific reviews
  4. Order with confidence
  5. Return if needed

For In-Store Shopping:

  1. Share calculator results with fitter
  2. Try recommended size first
  3. Assess fit using professional guidelines
  4. Request adjustments if needed
  5. Ask questions about comfort

For Professional Validation:

  1. Schedule appointment with certified fitter
  2. Bring calculator results
  3. Get professional assessment
  4. Receive personalized recommendations
  5. Establish ongoing relationship
Scroll to Top