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Wacoal Bras Fitting Guide

Are You Wearing the Wrong Bra Size?

A bra is a bra, right? Wrong! A bra is an undergarment that not only has the ability to make you look great, but it can make you feel (mentally and physically!) terrific as well. Yet 8 out of 10 women wear the wrong size bras. Take the quiz below to find out if you are one of these women. Sheila’s Sheer Elegance Lingerie is committed to supplying Wacoal's beautiful, perfect fitting, high quality intimate apparel for women. Sheila’s offers bras, panties, shapewear and outerwear for every style and body shape. We have selected the finest undergarments, lingerie and outerwear, all designed to enhance a woman’s beauty and self image. Our featured line at Wacoalbras.com is Wacoal.

These pictures will help you determine if your bra is too big or too small.

Too Small

Too Big

How to find your bra size:
You can try this on your own.
It’s pretty simple.
ere are a few suggestions when measuring yourself:

  1. Make sure you are wearing a bra, only a bra.
  2. Stand up when taking the measurements.
  3. Relax and don’t hold your breath.
  4. Follow the directions below.

Measurement #1

Take a snug measurement around your rib cage directly under your bust. To get the most accurate reading, make sure the tape measure rests flat on the skin and goes straight across your back. (inches).

Measurement #2

Measure around the fullest part of your bust, making sure the tape measure lies flat against your body.

How to measure and fit a bra in three easy steps

STEP 1: Measure for band size:
Keeping the measuring tape parallel with the ground, measure around your bra directly under your bust after expelling all air from your lungs - you want this measurement to be as small as possible. Round all fractional measurements to the nearest whole number.
If the measurement is even, add 4"
If the measurement is odd, add 5"

STEP 2: Measure for cup size:

Standing straight, with your arms at your side, measure at the fullest part of your bust (while wearing a non-padded bra) making sure the measuring tape is parallel with the ground and not binding.
Round all fractional measurements to the nearest whole number.

STEP 3: Calculate your bra size:

Subtract your band measurement (step 1) from your cup measurement (step 2). Generally, for each inch in difference, the cup goes up by one size. See the cup size conversion chart here.


Step 1: 34" under measurement +4" = 38" band
Step 2: 40" over measurement
Step 3: 40" - 38" = 2" or Cup "B"
Your size would be 38B

If the difference is: 0"-1/2" (1.3 cm) | Your standard cup size is: AA

If the difference is: 1/2"- 1" (2.6 cm) | Your standard cup size is: A

If the difference is: 2" (5.1 cm) | Your standard cup size is: B

If the difference is: 3" (7.6 cm) | Your standard cup size is: C

If the difference is: 4" (10.2 cm) | Your standard cup size is: D

If the difference is: 5" (12.7 cm) | Your standard cup size is: DD or E

If the difference is: 6" (15.2 cm) | Your standard cup size is: DDD or F

If the difference is: 7" (17.8 cm) | Your standard cup size is: G

If the difference is: 8" (20.3 cm) | Your standard cup size is: H

If the difference is: 9" (22.9 cm) | Your standard cup size is: I

If the difference is: 10" (25.4 cm) | Your standard cup size is: J

Important Note: This measuring system tends to become less accurate as the cup sizes go above a D.