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Simply enter your values in the input fields and click calculate. The tool will automatically compute the result and show you step-by-step solutions.

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Bra Measurement Calculator

Calculate bra measurements and size

Bra Measurement Calculator

Measurement Unit Select your preferred measurement unit

Calculation Method Method to calculate bra measurements

Under Bust (inches) Measure around your ribcage, just under your breasts

Over Bust (inches) Measure around the fullest part of your bust

Band Size (inches) Measure around your ribcage, just under your breasts

Bust Size (inches) Measure around the fullest part of your bust

Quick Examples:

Measurement Calculation Results

Bra Measurement Charts & Guides

Bra Size Conversion Chart (US / UK / EU / International)

US/UK	EU	International	Band Range (inches)
28	38	XS	27-28
30	40	S	29-30
32	42	M	31-32
34	44	L	33-34
36	46	XL	35-36
38	48	XXL	37-38
40	50	3XL	39-40
42	52	4XL	41-42

Band and Cup Measurement Chart

Band Size Guidelines:

28-30: Extra Small Band
32-34: Small Band
36-38: Medium Band
40+: Large Band

Cup Size Guidelines:

AA-AAA: Very Small Cup
A-B: Small Cup
C-D: Medium Cup
DD+: Large Cup

Cup Size Difference Chart (Inches → Cup Size, including AA/AAA sizes)

Difference (inches)	US Cup Size	UK Cup Size	Description
0-0.5	AA	AA	Very Small
0.5-1	AAA	AAA	Extra Small
1-1.5	A	A	Small
1.5-2	B	B	Small-Medium
2-2.5	C	C	Medium
2.5-3	D	D	Medium-Large
3-3.5	DD	DD	Large
3.5-4	DDD	E	Large
4+	G+	F+	Extra Large

Small Cup Size Options Chart (AA, AAA, etc.)

AA Cup Options:

28AA - Extra Small Band
30AA - Small Band
32AA - Small-Medium Band
34AA - Medium Band

AAA Cup Options:

28AAA - Extra Small Band
30AAA - Small Band
32AAA - Small-Medium Band
34AAA - Medium Band

Note: Small cup sizes (AA/AAA) are available in most band sizes and are perfect for petite frames or those with minimal breast tissue.

Sister Size Chart

Original Size	Sister Sizes	Band Adjustment	Cup Adjustment
30A	28B, 32AA	±2 inches	±1 cup
32B	30C, 34A	±2 inches	±1 cup
34C	32D, 36B	±2 inches	±1 cup
36D	34DD, 38C	±2 inches	±1 cup
38DD	36DDD, 40D	±2 inches	±1 cup

Important: Sister sizes maintain the same cup volume but adjust the band size. This can be helpful for comfort or when your preferred band size isn't available.

Bra Fit Guide Chart (Signs of Proper Fit for Small Cups)

Signs of Good Fit:

Band lies flat against ribcage
No spillage or overflow
Center gore touches chest
Straps don't dig into shoulders
Comfortable breathing

Signs of Poor Fit:

Band rides up in back
Gaps in cups
Straps fall down
Uncomfortable pressure
Breathing restriction

Pro Tip: For small cup sizes, focus on band fit first. The band should provide most of the support, while the cups should gently contain without compression.

About Bra Measurement Calculator

How to Measure:

Under Bust: Around ribcage, under breasts
Over Bust: Around fullest part of bust
Band Size: Around ribcage, under breasts
Bust Size: Around fullest part of bust

Measurement Guide:

Band Size: Under bust measurement
Cup Size: Over bust - Band difference
Fit: Should be snug but comfortable
Support: 80% from band, 20% from straps

Measurement Benefits

Professional Advantages:

Precise Measurements: Accurate body measurements for perfect fit
Comprehensive Analysis: Multi-dimensional fitting insights
Professional Presentation: Ready for reports and documentation
Interactive Learning: Dynamic calculations that update with your data

User Experience Benefits:

Size Comparison: Clear visualization of international standards
Fitting Guidance: Visual fit recommendation analysis
Educational Value: Learn about bra measurements and proportions
Data Visualization: Professional-grade measurement presentations

Bra Measurement Calculator

What is Bra Measurement Calculator?

A Bra Measurement Calculator is a professional digital tool that calculates bra measurements according to international fitting standards and professional measurements. This calculator provides comprehensive analysis of band size, cup size, and fit recommendations based on precise body measurements.

The tool is essential for anyone seeking proper bra fitting, whether for everyday comfort, professional fitting, or online shopping. It provides not only mathematical measurement calculations but also professional fitting advice, international size conversions, and comprehensive measurement analysis based on industry standards.

-How is it Calculated?

The Bra Measurement Calculator uses advanced algorithms and professional fitting standards:

Band Size: Under bust measurement (ribcage circumference)
Cup Size: Over bust measurement minus band size difference
International Standards: US, UK, European, Australian sizing
Fit Analysis: Professional fitting recommendations
Size Conversion: Cross-reference between different systems

Formula: Cup Size = Over Bust Measurement - Band Size (each inch difference = one cup size)

When is it Useful?

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

Personal Fitting:

First-time bra fitting
Size changes due to weight fluctuations
Post-pregnancy fitting
Age-related body changes

Professional Use:

Professional fitting consultations
Online shopping size selection
International size conversion
Fashion industry applications

Why is it Important?

Understanding proper bra measurements is crucial for various reasons:

Comfort: Proper fit prevents discomfort and pain
Support: Correct measurements provide optimal support
Health: Proper fit prevents back and shoulder issues
Confidence: Well-fitting undergarments boost self-esteem

Fit Recommendations

Professional fitting recommendations for optimal bra comfort and support:

Band Fit Guidelines:

Band should be snug but comfortable
Should not ride up in the back
Should provide 80% of support
Should lie flat against ribcage

Cup Fit Guidelines:

Cups should fully contain breasts
No spillage or overflow
Center gore should lie flat
Straps should not dig into shoulders

Size-Specific Recommendations:

Small Band (28-30): Consider sister sizes for comfort
Large Band (44+): Ensure adequate support structure
Small Cup (AA-B): Focus on band support
Large Cup (G+): Prioritize cup containment

Style Recommendations:

Full Coverage: For larger cup sizes
Balconette: For medium cup sizes
Plunge: For smaller cup sizes
Sports Bras: For active lifestyles

How to Use the Tool?

Using the Bra Measurement Calculator is straightforward:

Measure Under Bust: Measure around your ribcage, just under your breasts
Measure Over Bust: Measure around the fullest part of your bust
Optional Measurements: Add band size and bust size measurements for better accuracy
Select Method: Choose your preferred calculation method
Calculate Results: Click calculate to get comprehensive measurement analysis

Calculation Example

Let's do a sample calculation:

Example:

Under Bust:

32 inches

Over Bust:

36 inches

Result:

Band Size: 32

Cup Size: D

US Size: 32D

Keywords & Search Terms

Primary Keywords:

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Long Tail Keywords:

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Professional Use Cases

Fashion Industry:

Professional fitting consultations
Online retail size selection
International size conversion
Fashion design applications

Healthcare:

Post-surgery fitting
Medical garment sizing
Physical therapy applications
Health assessments

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Bust Size Calculator: Comprehensive bust analysis
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