Bra Calculator

Calculate bra size and fit

-Bra Size Calculator
Basic Measurements
Choose your preferred measurement unit
Measure under bust, keep tape snug but not tight
Measure fullest part, keep tape level
Additional Measurements
For more accurate band size
For cup size verification
Bra Size Results
Your Bra Size
--
Primary size
Cup Size
--
Size Details
--
Fit Recommendations
--
Sister Sizes & Alternatives
--
Bra Analysis Charts
Quick Examples:
About Bra Size Calculator
Calculate Your Perfect Bra Size

Our Bra Size Calculator helps you determine your optimal bra size using accurate measurements and industry-standard sizing methods. This tool considers your band size, bust size, and additional measurements to provide precise bra sizing and personalized fit recommendations.

Calculator Features:
  • Accurate sizing: Industry-standard measurement methods
  • Multiple measurements: Band, bust, under bust, and over bust
  • Sister sizes: Alternative sizes for better fit
  • Fit recommendations: Personalized bra fitting advice
Benefits:
  • Better fit: Find bras that actually fit
  • Comfort: Eliminate discomfort and pain
  • Confidence: Feel confident in your appearance
  • Health: Proper support for breast health
What It Measures:
  • Band size: Under bust measurement
  • Cup size: Difference between bust and band
  • Bust size: Fullest part measurement
  • Additional measurements: For verification
Professional Use:
  • Bra fitting: Professional bra fitting services
  • Retail: Online and in-store shopping
  • Health: Medical and health consultations
  • Fashion: Style and wardrobe planning

Bra Size Calculator

What is Bra Size Calculator?

A Bra Size Calculator is a specialized digital tool that helps individuals determine their optimal bra size based on accurate body measurements. This calculator uses industry-standard sizing methods to provide precise bra sizing for comfort, support, and proper fit.

The tool is essential for women seeking the perfect bra fit, whether shopping online, getting professionally fitted, or simply wanting to understand their correct size. It provides not only mathematical calculations but also valuable insights into bra fitting, sister sizes, and personalized recommendations for achieving the best possible fit.

-How is it Calculated?

The Bra Size Calculator uses standard industry measurements:

  • Band Size: Measured under the bust, around the ribcage
  • Bust Size: Measured around the fullest part of the breasts
  • Cup Size: Calculated as the difference between bust and band measurements
  • Additional Measurements: Under bust and over bust for verification
Key Formula: Cup Size = Bust Size - Band Size. Each inch difference corresponds to a specific cup size (A, B, C, D, DD, etc.)
Unit Conversion: The calculator automatically converts between inches and centimeters. Bra sizes are standardized in inches, so all calculations are performed in inches and then converted back to your preferred unit for display.
When is it Useful?

The Bra Size Calculator is particularly useful in the following situations:

Shopping & Fitting:
  • Online bra shopping
  • Professional bra fitting
  • Size verification
  • Brand comparison
Health & Comfort:
  • Proper breast support
  • Comfort improvement
  • Posture support
  • Health monitoring
Why is it Important?

Understanding your correct bra size is crucial for various reasons:

  • Comfort: Eliminate discomfort, pain, and irritation
  • Support: Proper breast support and posture
  • Health: Prevent back pain and shoulder issues
  • Confidence: Feel confident and comfortable in clothing
How to Use the Tool?

Using the Bra Size Calculator is straightforward:

  1. Select Unit: Choose between inches or centimeters for your measurements
  2. Measure Band Size: Measure under your bust, around your ribcage
  3. Measure Bust Size: Measure around the fullest part of your breasts
  4. Optional Measurements: Add under bust and over bust for accuracy
  5. Calculate Results: Click calculate for your bra size and recommendations
  6. Review Results: Check your size, sister sizes, and fit tips
  7. Try Different Sizes: Use sister sizes for alternative fits
Calculation Example

Let's do a sample bra size calculation:

Example:
Input Values (Inches):
Band Size: 34 inches
Bust Size: 38 inches
Under Bust: 33 inches
Over Bust: 39 inches
Input Values (Centimeters):
Band Size: 86.4 cm
Bust Size: 96.5 cm
Under Bust: 83.8 cm
Over Bust: 99.1 cm
Calculation Results:
Band Size: 34
Cup Size: D
Bra Size: 34D
Difference: 4 inches (10.2 cm)
Key Features
Core Features:
  • Accurate Measurements: Industry-standard sizing methods
  • Multiple Inputs: Band, bust, under bust, over bust
  • Cup Size Calculation: Automatic cup size determination
  • Sister Sizes: Alternative size recommendations
Advanced Features:
  • Fit Recommendations: Personalized fitting advice
  • Size Verification: Multiple measurement validation
  • Professional Grade: Industry-standard accuracy
  • Quick Examples: Pre-filled measurement examples
Keywords & Search Terms
Primary Keywords:
  • Bra size calculator
  • Bra calculator
  • Cup size calculator
  • Band size calculator
  • Bra fitting calculator
Related Terms:
  • Bra measurement calculator
  • Sister size calculator
  • Bra fit calculator
  • Breast size calculator
  • Bra sizing tool
Professional Use Cases
Retail & Fashion:
  • Online bra retailers
  • Department stores
  • Lingerie boutiques
  • Fashion consultants
Health & Wellness:
  • Professional bra fitting
  • Health consultations
  • Posture therapy
  • Women's health
Related Tools

Explore our other health and fashion calculators:

Health Calculators:
Fashion & Body Tools: