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AI Bra Size Calculator | Professional Fit Guide

AI Bra Size Calculator

Get accurate measurements with our advanced AI fitting technology

Your Perfect Fit

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Enter your measurements to calculate your accurate bra size with our AI-powered fitting system.

AI Pattern Recognition: Analyzes thousands of fitting data points for precision
Smart Fabric Technology: Adjusts recommendations based on material stretch factors
Personalized Fit Profile: Learns from your preferences for better recommendations over time

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Ditch the Discomfort: Unlock Your Confidence with Our Easy Bra Size Calculator!

Are you one of the millions of women secretly (or not-so-secretly) battling an ill-fitting bra every day? You know the signs: digging straps, bulging back, cups that gape or overflow. It’s more than just an annoyance; wearing the wrong bra size can impact your posture, comfort, and even your confidence.

But what if we told you that finding your perfect fit doesn’t have to be a mystery? With our simple bra size calculator guide, you can finally learn how to measure bra size accurately from the comfort of your home and step into a world of comfort and support. Say goodbye to guesswork and hello to your new favorite bra!

Understanding Bra Sizes: More Than Just a Number

Before we dive into measuring, let’s quickly demystify what those numbers and letters actually mean. Your women’s bra size consists of two parts:

The Band Size (the number): This refers to the measurement around your rib cage, directly under your bust. It provides the majority of your bra’s support, so getting this right is crucial!
The Cup Size (the letter): This indicates the volume of your bust. It’s determined by the difference between your over-bust measurement and your band measurement.

Getting both of these elements correct is key to an accurate bra size that makes you feel amazing.

Measuring for Your Bra: Grab Your Tape!

Ready to find bra size like a pro? You’ll just need one simple tool: a soft measuring tape. For the most precise results, measure while wearing a non-padded bra that fits reasonably well, or no bra at all.

Here’s your quick bra measurement guide:

Stand upright: Relax your shoulders and stand straight.
Position your tape: Make sure the tape is snug but not tight, and parallel to the floor all the way around your body.
Take a deep breath: Exhale and then take your measurement at the natural resting point of your body.
Calculating Band Size: Your Foundation of Support

This is arguably the most important step in bra fitting!

Measure Snugly Under Your Bust: Wrap the measuring tape firmly around your rib cage, directly beneath your bust. Ensure it’s level all the way around your back.
Record the Number: Note this measurement in inches.
Round Up (if necessary): If you land on a half-inch, round up to the nearest whole inch.
Add for Band Size:
If your measurement is an even number, add 4 inches.
If your measurement is an odd number, add 5 inches.
This final number is your band size. (e.g., if you measured 30 inches, your band size is 34. If you measured 31 inches, your band size is 36).

Example: If your under-bust measurement is 32 inches, your band size is 32 + 4 = 36.

Determining Cup Size: The Perfect Fit for Your Bust

Now for the cup!

Measure Around the Fullest Part of Your Bust: Wrap the tape loosely around the fullest part of your bust, usually across your nipples. Again, ensure the tape is level across your back.

Record this Measurement: Note this measurement in inches.

Calculate the Difference: Subtract your calculated band size (from the previous step) from this bust measurement.

Example: If your band size is 36 and your bust measurement is 38 inches, the difference is 2 inches.

Find Your Cup Size using this Difference:

0-inch difference = AA
1-inch difference = A
2-inch difference = B
3-inch difference = C
4-inch difference = D
5-inch difference = DD (or E)
6-inch difference = DDD (or F)
…and so on! Each additional inch adds another cup size.

Example: If your band size is 36 and your bust measurement is 38 inches, the difference is 2 inches, which equals a B cup. Your initial bra size would be 36B.

Finding Your Perfect Fit: Beyond the Numbers

While our online bra calculator provides a fantastic starting point, remember that bra sizes can vary slightly between brands and styles. Think of your calculated size as your accurate foundation, not a rigid rule.

A truly well-fitting bra should:

The Band: Feel snug and parallel to the floor around your back. You should only be able to fit two fingers comfortably under the band. It shouldn’t ride up your back.
The Cups: Enclose your entire breast tissue without any gaping or spilling over the top or sides.
The Straps: Provide minimal support; the band does most of the work! They shouldn’t dig into your shoulders.
The Center Gore: The piece of fabric between the cups should lie flat against your sternum.

Don’t be afraid to try on a few sizes around your calculated one (e.g., if you’re a 34C, also try a 32D or a 36B – called “sister sizes”). This will help you find the absolute best fit for your unique shape. Consult a bra size chart if you want to explore sister sizes further.

Step Into Comfort and Confidence!

Finding your accurate bra size is a game-changer. It’s about more than just looking good; it’s about comfort, support, and feeling confident in your own skin. Use this bra measurement guide as your secret weapon to banish ill-fitting bras forever.

Disclaimer: While this guide provides an excellent way to determine your size at home, nothing beats the expertise of a professional bra fitter. For the most personalized recommendations and to explore different styles, we always recommend visiting a lingerie specialist for a professional bra fitting. They can offer expert advice and ensure you get the absolute best fit for your unique body.