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Your Ultimate Guide to Finding the Perfect Bra Size}

Your Ultimate Guide to Finding the Perfect Bra Size

Posted on November 01, 2023 by Sweta Saraf

Fit-tastic! Ensuring Your Bra and You Are Soulmates
Every Inch Counts: Tailoring Your Bra Experience

Imagine coming home after a long day, exhausted. You just can’t wait to remove your shoes, kick off your heels, wash off your makeup and remove your bra. 

If you relate to that feeling of relief when you remove your bra, you’re not alone. A whopping 80% of women wear the wrong bra size, which is a major source of discomfort. Believe it or not, the right bra size can help you feel supported, confident, and more comfortable - not to mention, it makes you stand taller with better posture! So if you’re waiting to get out of your bra at the end of the day or have brought home a new bra hoping it fits right, this guide is for you. 

How to Calculate Bra Size

Before you can find the perfect bra, understanding your bra size is crucial. Don't worry, it's pretty easy! Here's a step-by-step guide to find the right bra size for you.

Measure Your Band Size

  • Wear a non-padded bra or no bra at all.
  • Grab a soft measuring tape and measure right under your girls. Ensure the tape is snug around your ribcage, and it's straight across your back.
  • Round off the number to the nearest whole number. If it's even, add 4 inches. If it's odd, add 5 inches. This gives you your band size.

Measure Your Bust Size

  • Measure around the fullest part of your chest, ensuring the tape isn’t too tight or too loose.
  • Round off this number to the nearest whole number.

How to Calculate Your Bra Cup Size

  • Subtract your band measurement from your bust measurement. The difference determines your bra cup size. For instance, a difference of 1 inch is an A cup, 2 inches is a B cup, and so on.

How to Find the Perfect Fitting Bra 

Now that you’ve got your measurements, you’ve solved part of the puzzle. But the real game-changer? How it feels and fits on you. Here's how to find the perfect fitting bra. 

Check the Band

  • The band provides most of the support. Aim for a snug fit, but comfortable enough to slide two fingers beneath. 
  • When you try a bra on, ensure it’s on the loosest hook. As the bra stretches with wear, you'll have room to tighten.

Examine the Cups

  • Your breasts should comfortably fit into the cups of your bra. No overflowing or gaping, please! 
  • The part between the cups should lay flat against your chest.
  • Quick tip: bend forward to make sure there are no gaps in the cup. If you can see the cup, then it’s too big.

Look at the Straps

  • Straps should not dig into your shoulders nor should they slip off.
  • Remember, bra straps only offer about 10% of the support. Your bra’s band does most of the heavy lifting. 

Move Around

  • To ensure your bra fits you properly, test it out in all positions. Move your arms, bend a bit, sit down and stretch in different ways to ensure it is comfortable. 

Remember, Bra Sizes Can Vary

  • Bra sizing isn’t universal. Different brands may have slight variations. Always try before you buy or, if you're shopping online for everyday bras, ensure there's a good return policy.

Get Fitted Regularly

  • Life changes, and so does our body. Changes such as pregnancy, breastfeeding, weight fluctuations or menopause can influence the shape and size of your breasts. If you've gone through any of these life changes, it’s important to reassess if your current bra still meets your needs.
  • Even if you haven’t gone through a major change in your life, your body still changes over time, and so does your bra size. It's good practice to get fitted at least once a year.
  • If you’re still not sure where to begin, Triumph's bra size calculator is a fantastic starting point to steer you towards your best fit.


Scouting for that dream bra? Think of it as a self-care day just for your girls! When it feels right, everything just falls into place. Comfort? Check. Confidence? Double-check. Next shopping trip, remember: your girls deserve the best seat in the house! Whether you are wearing a push-up bra, minimizer bra or a seamless bra, finding the right bra size and the right fit is key to comfort.