Bra Size Calculator

This calculator, available below, is easy to use and provides tailored recommendations based on your input.

Bra Size Calculator

Not sure how to measure? Click here for instructions.











Size History

No sizes saved yet.

Size Chart

US SizeUK SizeEU Size
34B34C75B
36C36D80C
38D38DD85D
40DD40E90E

Bra Size Calculator | A Bra That Fits Calculator

A well-fitting bra can boost confidence, enhance comfort, and even improve posture. However, finding the right size is often challenging. Many people don’t know their exact size, leading to uncomfortable fits and frequent size adjustments. This guide covers a detailed, step-by-step explanation of how to use our Bra Size Calculator to find a comfortable, accurate fit.

Understanding Bra Sizing Basics

Bra sizes are made up of two components: the band size and the cup size. The band size is the measurement around your chest under the bust, while the cup size measures the difference between your bust and band size. Together, these form your unique bra size.

How the Bra Size Calculator Works?

Our calculator determines your bra size based on your band and bust measurements. By subtracting your band size from your bust measurement, it calculates the difference and assigns a cup size. This method ensures accuracy for a comfortable and supportive fit.

Features of the Bra Size Calculator

Our Bra Size Calculator includes features designed for ease of use, accuracy, and convenience.

Region Selection for Accurate Sizing

The calculator allows you to choose between U.S., U.K., and E.U. sizes. This regional selection is essential since each area has slight variations in bra sizing standards.

Unit Preference (Inches or Centimeters)

The calculator supports both inches and centimeters. This flexibility lets users measure using whichever unit they prefer or have on hand.

Band Size Input

The band size input captures the underbust measurement, which is the foundation of your bra size. Ensuring accurate band size is essential for optimal support.

Bust Size Input

The bust size is measured around the fullest part of the chest. This input, combined with the band size, helps in determining the cup size accurately.

Step-by-Step Guide to Using the Calculator

To determine your bra size, follow these steps:

  1. Select Your Region: Choose between U.S., U.K., or E.U. standards.
  2. Choose Unit: Select inches or centimeters for your measurements.
  3. Enter Band Size: Input the measurement around your ribcage, directly under the bust.
  4. Enter Bust Size: Measure around the fullest part of your chest and input it.
  5. Calculate Size: Press the “Calculate Size” button for your results.

Interpretation of Results

Once you press “Calculate Size,” the calculator displays your bra size in the selected region’s format. For example, if you’ve chosen the U.S. size option, the result may appear as “34B.” You’ll also receive recommended bra styles based on your size.

Explaining Cup Sizes

The difference between your bust and band size determines the cup size. Here’s a quick breakdown:

  • 1-inch difference: A cup
  • 2-inch difference: B cup
  • 3-inch difference: C cup
  • 4-inch difference: D cup
  • 5-inch difference: DD/E cup

This simple formula helps you understand how various bust measurements correlate with cup sizes.

Recommended Bra Styles Based on Fit

Our calculator suggests a few bra styles that may work well with your size. Some examples include:

  • Push-up Bra: Adds volume and enhances cleavage.
  • Sports Bra: Provides support and minimizes movement.
  • Lace Bra: Offers a feminine look with comfortable support.

Saving Your Size History

The calculator has a “Save Size” option, allowing you to record previous results. This feature is beneficial for tracking changes in size or preferences over time. After calculating, simply click “Save Size” to add it to your history.

Using the Size Chart for Comparison

Our size chart shows equivalent sizes in the U.S., U.K., and E.U. systems. This feature makes it easy to understand your size across different regional standards.

Common Bra Sizing Mistakes

Some common sizing mistakes include:

  • Incorrect Band Size: Choosing a band size too loose or tight can cause discomfort.
  • Overlooking Cup Fit: The cup should fully support and contain the breast without spillage.
  • Ignoring Regional Differences: Always consider sizing standards, especially when purchasing internationally.

How to Measure Band and Bust Sizes at Home?

Measuring Band Size

  1. Use a soft measuring tape.
  2. Wrap it around your ribcage, just below the bust.
  3. Record this measurement.

Measuring Bust Size

  1. Wrap the measuring tape around the fullest part of your bust.
  2. Make sure the tape is straight across your back.
  3. Record this measurement as your bust size.

Why Accurate Measurements Matter?

An accurate bra size helps distribute weight evenly, reducing strain on your back and shoulders. A well-fitting bra can improve posture, minimize discomfort, and boost confidence.

Regional Bra Size Differences

U.S. vs. U.K. Sizing

In the U.S., cup sizes increase in single letters, while the U.K. includes additional sizes like “DD.”

European (EU) Sizing

EU sizes use a number system without letters, simplifying the sizing process. For instance, a U.S. 34B is an EU 75B.

Care Tips for a Well-Fitting Bra

  • Hand Wash: Hand washing helps maintain elasticity and shape.
  • Air Dry: Avoid the dryer, as it can damage the bra’s materials.
  • Store Properly: Stack bras to retain cup shape and avoid warping.

Frequently Asked Questions

What should I do if I’m between sizes?

If you’re between sizes, try the larger cup for comfort. You can also adjust the straps and band for a better fit.

How often should I re-measure my bra size?

Measure your bra size every six months, as weight changes or lifestyle factors can affect sizing.

Can I use the calculator for sports bras?

Yes, but remember that sports bras often follow different sizing. Check individual sizing charts for accuracy.

Why are regional sizes different?

Regional sizing variations are due to differing sizing standards. Our calculator provides conversions to ensure you have the right fit.

Does my bra size change with weight loss or gain?

Yes, weight changes can impact both band and cup sizes. Re-measuring after noticeable weight changes is recommended.


Conclusion:

Using our Bra Size Calculator can help you find a bra that fits well, is comfortable, and provides the support you need. From accurate measurements to style recommendations, our tool is designed to simplify the bra-fitting process. Find your perfect fit today and experience the comfort and confidence of wearing the right size.

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