Bust Size Calculator

Calculate bust size and bra measurements

Bust Size Calculator
Measure around your ribcage, just under your breasts
Measure around the fullest part of your bust
Measure around your chest, above your breasts (optional)
Measure around your natural waist (optional)
Method to calculate bra size
Preferred band size (optional)
Quick Examples
About Bust Size Calculator & Bra Fitting Analysis
Calculate Bra Size with Professional Accuracy

Our comprehensive Bust Size Calculator provides detailed analysis for bra fitting, including band size calculation, cup size determination, and comprehensive size comparison across different measurement systems.

Calculation Features:
  • Multiple methods: Standard, Sister Size, European, UK
  • Dual units: Imperial (inches) and Metric (cm) support
  • Comprehensive analysis: Detailed size breakdown
  • Visual charts: Size distribution and fit analysis
Professional Features:
  • Scientific accuracy: Based on validated fitting standards
  • Size conversion: US, UK, and EU size mapping
  • Fit analysis: Professional fitting recommendations
  • Professional grade: Retail and fitting industry ready
Fitting Benefits:
  • Comfort: Proper fit ensures comfort and support
  • Health: Correct sizing prevents health issues
  • Confidence: Well-fitting bras boost self-confidence
  • Performance: Proper support during activities
Measurement Benefits:
  • Accurate sizing: Reliable bra size determination
  • Multiple methods: Choose the best approach for you
  • Professional standards: Industry-approved calculations
  • Educational value: Learn about bra fitting science
Band Size Guide
Band Size Underbust (inches) Status
28 26-28 Small
30 28-30 Small
32 30-32 Standard
34 32-34 Standard
36 34-36 Standard
38+ 36+ Large
Cup Size Guide
Cup Size Difference (inches) Status
AA 0-0.5 Very Small
A 0.5-1 Small
B 1-2 Small
C 2-3 Medium
D 3-4 Medium
DD+ 4+ Large

Bust Size Calculator

What is Bust Size Calculator?

The Bust Size Calculator is a specialized digital tool that precisely calculates bra size according to professional fitting standards. This calculator provides detailed analysis with professional-grade features and supports multiple calculation methods including Standard, Sister Size, European, and UK methods.

Unlike basic bra calculators, our tool offers comprehensive features including band size calculation, cup size determination, international size conversion, fit analysis, and professional fitting recommendations. It's designed for professional fitters, retailers, and individuals who need accurate bra size determination.

-How is it Calculated?

The Bust Size Calculator uses advanced mathematical formulas to determine your bra size:

  • Band Size: Underbust measurement + adjustment factor
  • Cup Size: Bust measurement - Band size difference
  • Size Conversion: US, UK, and EU size mapping
  • Fit Analysis: Professional fitting assessment
  • Validation: Measurement accuracy checking
Formula: Cup Size = Bust Measurement - Band Size
Example: If bust is 36" and band is 32", cup size = 36 - 32 = 4" = D cup
Size Standards:
• US: Standard US bra sizing system
• UK: British bra sizing standards
• EU: European bra size system
• International: ISO standard conversions
When is it Useful?

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

Professional Use:
  • Bra fitting appointments
  • Retail sales assistance
  • Professional consultations
  • Size verification
Personal Use:
  • Online shopping
  • Size self-assessment
  • Fit improvement
  • Size education
Why is it Important?

Accurate bra size calculations are critically important for various reasons:

  • Comfort: Proper fit ensures comfort and support
  • Health: Correct sizing prevents health issues
  • Confidence: Well-fitting bras boost self-confidence
  • Performance: Proper support during activities
  • Longevity: Better fit extends garment life
How to Use the Tool?

Using the Bust Size Calculator is very simple:

  1. Select Unit System: Choose between Imperial (inches) or Metric (cm)
  2. Measure Underbust: Measure around ribcage under breasts
  3. Measure Bust: Measure around fullest part of bust
  4. Optional Measurements: Add high bust and waist if desired
  5. Select Method: Choose calculation method
  6. Click Calculate: View comprehensive results with charts
Important: Bra sizing standards are based on imperial measurements. Metric measurements are automatically converted to inches for accurate calculations.
Calculation Example

Let's do a sample calculation:

Example:
Underbust:
32 inches (81.3 cm)
Bust:
36 inches (91.4 cm)
Method:
Standard
Results:
Band Size: 32
Cup Size: D
Full Size: 32D
Fit Status: Good Fit
Advanced Features
Professional Tools:
  • Size Analysis: Detailed bra size evaluation
  • Visual Charts: Interactive size and fit graphs
  • Method Comparison: Multiple calculation approaches
  • International Sizing: Global size system support
  • Fit Assessment: Professional fitting analysis
Calculation Features:
  • Multiple Methods: Standard, Sister Size, European, UK
  • Size Conversion: Cross-system size mapping
  • Fit Validation: Measurement accuracy checking
  • Professional Standards: Industry-grade calculations
  • Comprehensive Analysis: Detailed size breakdown
Use Cases & Applications
Professional Use:
  • Bra fitting consultations
  • Retail sales assistance
  • Professional training
  • Size verification
Personal Use:
  • Online shopping
  • Size self-assessment
  • Fit improvement
  • Size education
Keywords & Search Terms

Common search terms and keywords related to bust size calculation:

Primary Terms:
  • bust size calculator
  • bra size calculator
  • cup size calculator
  • bra fitting calculator
  • bra size finder
Secondary Terms:
  • bra size measurement
  • cup size measurement
  • bra fitting guide
  • bra size chart
  • bra size conversion