How to Measure for Bra Size: The Ultimate Step-by-Step Guide

When it comes to finding the perfect bra, many women struggle with determining the right size. It's not as simple as just picking a number and a letter – the right fit involves accurate measurements and a good understanding of your body shape. In this guide, we’ll walk you through each step to measure for your bra size, making sure you understand every part of the process so you can find the best fit for you. By the end, you’ll be confident in your bra size, helping you choose a bra that provides comfort, support, and style.

Why Bra Size Matters

A well-fitting bra isn't just about comfort; it's essential for maintaining good posture, avoiding back and shoulder pain, and ensuring that your clothes fit better. A properly sized bra helps to support your bust, giving you confidence and comfort throughout the day. Without the right size, bras can cause discomfort, chafing, and even affect your appearance under clothes. That’s why taking the time to measure correctly is so important.

Step 1: Gather Your Tools

Before you begin measuring, you'll need a few essential tools. Having everything ready ensures you can take accurate measurements.

Measuring Tape

A flexible measuring tape is crucial for taking your measurements. Make sure it’s soft, like the kind used for sewing, as you’ll need to wrap it around your body.

A Well-Fitting Bra

Wear a well-fitting bra to get the most accurate measurements. The bra you wear should fit comfortably, without padding or push-up features, as you want to measure your natural shape.

Mirror (to check alignment)

A full-length mirror or a bathroom mirror is essential. You need to ensure that the measuring tape remains perfectly level across your back. This will help you stay consistent throughout the process. If the tape dips or twists behind you, your measurements will be skewed.

Step 2: Measure Your Band Size

Your band size is the first measurement you need to take. This measurement is critical because it forms the foundation of your bra size.

How to Measure Your Underbust

Stand in front of the mirror and wrap the measuring tape around your ribcage, directly under your bust. The tape should be snug but not tight, and it should sit flat against your skin. Exhale and measure while standing up straight. Round to the nearest whole number.

Adjusting the Band Size

If your underbust measurement is an even number, that is your band size. If it's an odd number, round up to the next even number. For example, if your underbust measures 29 inches, your band size will be 30.

Step 3: Measure Your Bust Size

Now that you have your band size, it’s time to measure the fullest part of your bust.

Tips for Getting an Exact Bust Measurement

Stand in front of the mirror and wrap the measuring tape around the fullest part of your bust, making sure it’s parallel to the ground. Keep the tape comfortably tight, but not too tight. It's important to keep your arms relaxed and at your sides while measuring.

What to Do If You're Between Two Sizes

If your bust measurement falls between two sizes, round up to the larger size. For example, if your bust measures 36.5 inches, round to 37 inches, which typically corresponds to a C cup.

Overbust Measurement

In some fitting methods, you may also measure the "overbust"—the area above your breasts and under your arms. While not always used for the final calculation, comparing this to your full bust measurement can help determine if you have a "full" or "shallow" breast shape, which affects which styles (like balcony vs. plunge) will fit you best. This can help with finding bras that offer more coverage or a different fit.

Step 4: Try Your Measurements With a Bra

Now that you have your measurements, it's time to test them with an actual bra.

Ensure Proper Fit by Comparing to Your Bra Size

Put on a bra and use your measurements to check the fit. Your band should fit snugly around your torso without riding up, and the cups should fully encompass your breasts without overflow or gaping. You should be able to move comfortably without the bra feeling too tight or too loose.

How to Check for Comfort and Support

To make sure your bra is the right size, it should offer support without digging into your skin. Check the straps, which should rest comfortably on your shoulders without leaving marks. The band should provide most of the support, while the cups should shape and lift your breasts. When you wear the bra, make sure you can move freely, and there should be no pinching or discomfort.

Find Your Perfect Fit: Feelingirl Bras for Every Shape

Once you know your size, the next step is finding a bra that balances comfort with a flattering silhouette. For those seeking an everyday solution that feels like a second skin, Feelingirl offers a wide range of bras designed to fit different body types and provide maximum comfort. One of their top-rated options is the Feelingirl Everyday Wireless Bra, an unlined, soft bra that gives you all-day comfort with no wires to dig in. Whether you need a bra for everyday wear or something for a special occasion, Feelingirl has the perfect fit for you.

Conclusion

Measuring for your bra size may seem daunting, but by following these steps, you’ll find the perfect fit in no time. Remember that your size may change over time, so it’s important to measure yourself regularly and adjust accordingly. A good fit not only enhances your appearance but also keeps you comfortable and supported throughout the day.

Frequently Asked Questions

How do you calculate your bra size?

To calculate your bra size, measure your band size (underbust) and bust size (fullest part of your bust). Subtract the band measurement from the bust measurement to determine your cup size. For example, if your band measures 32 inches and your bust measures 36 inches, you have a 4-inch difference, which typically corresponds to a B cup.

Is it better to measure bra size with the bra on or off?

It’s best to measure for your bra size while wearing a well-fitting, non-padded bra. This gives you the most accurate measurement of your natural shape without any added padding.

Does bra size change with age?

Yes, bra size can change over time due to factors like weight fluctuations, pregnancy, and hormonal changes. It’s a good idea to measure yourself regularly to ensure you’re wearing the right size.

Which is bigger, 34C or 36C?

A 36C bra has a larger band size than a 34C, but both have the same cup size. The cup size stays the same, but the 36C will be a bit roomier around the ribcage.

Does bra size change with age?

As mentioned, yes, bra size can change as you age due to various factors like hormonal changes, weight shifts, and lifestyle changes. Always measure periodically to ensure the best fit.