Bra Cup Sizes: Australia's Ultimate Fitting Guide

how to measure cup size australia

The two major aspects of bra size are the band size and the cup size. Band size refers to the firm circumference measured directly underneath the breasts, where the bra band sits. Cup size, on the other hand, is calculated using the difference between bust size and band size. This measurement is best taken wearing a strapless, non-padded bra. To measure your bust size, wrap a measuring tape across your back and measure at the fullest part of your bust, usually over the nipple. Make sure the tape is straight across your back and parallel to the floor. This measurement is your bust size, which, when compared to your band size, will give you your cup size.

Characteristics Values
What to wear while measuring A strapless non-padded bra
Where to place the tape for band size measurement Directly under the bust, where the band would sit
How to hold the tape Firmly but comfortably, not tightly, and parallel to the floor
Where to place the tape for cup size measurement Around the fullest part of the bust, usually over the nipple
How to hold the tape Firmly but without squashing
What to do if your band size falls between two sizes Round down to the nearest even number

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Wear a strapless non-padded bra

When measuring your bra size, it is important to wear a strapless, non-padded bra to achieve the most accurate results. This is because the padding on some bras can alter the measurements of your bust, particularly if the padding is thick.

To begin, stand upright and ensure you are wearing a well-fitting, non-padded bra. The bra should offer support and hold your breasts comfortably in place. If you are unsure whether your bra is well-fitting, there are several signs to look out for. Firstly, your breasts should sit midway between your shoulders and elbows. If they do not, you may require a more supportive bra. Secondly, look at yourself sideways in a mirror. If the cups pucker or your breasts bulge, your bra is not the correct size.

When wearing a non-padded bra, you can then measure your bust. Wrap the measuring tape around the fullest part of your chest, usually at nipple level. Ensure the tape is straight across your back and parallel to the floor. The tape should be held firmly but comfortably, and not so tight that it squashes your bust. This measurement is your bust size.

It is important to note that bra sizes can vary between brands and manufacturers, so it is recommended to get a bra fitting or re-measure your bust periodically. Pregnancy, weight fluctuations, exercise, hormonal changes, breastfeeding, water retention, and age can all impact the size and shape of your bust. Therefore, it is a good idea to check your bra size at least once a year.

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Measure around the fullest part of your bust

Measuring your bust is a simple task that can be done at home with or without a helper. To get started, put on an unpadded bra that fits you well. Then, take a flexible plastic measuring tape and wrap it around your torso, bringing it to the fullest part of your bust. Position the tape directly over your nipples, holding it firmly but comfortably. Make sure the tape is straight across your back and parallel to the floor. Relax your arms at your sides and ensure that the tape is not too high or too low—it should be right at the most protruding part of your bust.

If you're measuring yourself, hold the tape measure in both hands and bring it around your bust, with your elbows down at your sides. The tape should be snug around your bust, but not so tight that it squeezes or so loose that it slips down. You shouldn't be able to fit a finger between the tape and your bust. At the same time, make sure you're not holding your breath, as this can affect the measurement.

Once you've taken the measurement, round it to the nearest whole number. If the measurement falls at the half-inch mark, round up. This measurement is your bust size, which can be used to calculate your cup size.

It's important to note that for custom garments, additional measurements may be required, such as your rib cage, high bust, and bust height. These extra measurements ensure an even more precise fit for your clothing.

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Measure under your bust

To measure your band size, you must first measure under your bust. This measurement should be similar to the blouse size you wear.

Put on a strapless, non-padded bra to get the most accurate measurement. Wrap a soft measuring tape across your back and measure directly under your bust, where the band of your bra would normally sit. Make sure the tape is snug but not too tight and is straight across your back, parallel to the floor.

This measurement will give you your band size, which is the firm circumference fitted under the breasts. It is important to get an accurate measurement here, as studies have shown that many women wear incorrectly fitted bras, often with a band size that is too large.

Round down to the nearest even number if your measurement falls between two sizes. For example, if you measure 31 inches, your band size is 30.

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Calculate band size

To calculate your band size in Australia, you'll need to take measurements of your band and bust and then calculate the difference between the two. Here's a step-by-step guide:

Step 1: Measure your band

Wrap a flexible tape measure around your torso, directly under your bust. Make sure the tape measure is level all the way around and sits snugly against your body. Take a note of this measurement in inches. If you're between sizes, round down to the nearest even number. For example, if your measurement is 31 inches, your band size is 30.

Step 2: Calculate your band size

Your band size is a crucial component of determining your overall bra size. It specifically refers to the measurement around your rib cage, just under your bust. A proper-fitting band provides essential support and ensures the comfort of the bra.

To find your accurate band size, it is recommended to use a flexible tape measure and take measurements in a relaxed, standing position. Position the tape measure directly under your bust, ensuring it is parallel to the ground. Breathe normally and avoid pulling the tape measure too tight. Take your measurement in inches and round down to the nearest even number. For instance, if your measurement is 33 inches, your band size would be 32.

Step 3: Find your cup size

Your cup size is determined by the difference between your band measurement and your bust measurement. Subtract your band size from your bust measurement to find this difference. Each inch of difference corresponds to a cup size. For example, a 1-inch difference indicates an A cup, a 2-inch difference is a B cup, and so on.

Step 4: Ensure accuracy

It is important to ensure accuracy in your measurements and calculations. Double-check that you are using the correct measurement units (typically inches) and that you are rounding correctly to find your band size. Inaccurate measurements can lead to an ill-fitting bra, which can be uncomfortable and unsupportive.

Remember, band size is just one aspect of finding the perfect-fitting bra. The cup size and style of the bra also play crucial roles in ensuring comfort and support. It is always a good idea to try on different sizes and styles to find the best fit for your unique body.

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Understand cup size calculation

Understanding your cup size is an essential part of finding a bra that fits well. To calculate your cup size in Australia, you'll need to take two measurements: your band size and your bust size. Here's a step-by-step guide to help you understand the cup size calculation process:

Step 1: Measure Your Band Size

The band size refers to the measurement around your torso, directly under your bust. To find this measurement, wrap a soft measuring tape around your body, placing it firmly and parallel to the floor, just under your bust where the band of your bra would typically sit. Ensure that the tape is snug but not too tight. This measurement will give you your band size. If you fall between two sizes, round down to the nearest even number to determine your band size. For example, if your measurement is 33 inches, your band size would be 32.

Step 2: Measure Your Bust Size

The bust size is the measurement around the fullest part of your bust, usually directly over the nipple. Again, use a soft measuring tape and hold it firmly but comfortably, ensuring it is straight across your back and parallel to the floor. This measurement will give you your Bust size.

Step 3: Calculate Cup Size

Now that you have your band size and bust size, you can calculate your cup size. The cup size represents the difference between your bust size and band size. For example, if your bust size is 3 inches larger than your band size, the cup size would typically be a C cup. Each inch of difference typically represents a cup size. However, it's important to note that cup sizes may vary slightly between different manufacturers and countries.

Step 4: Use a Bra Size Calculator

Once you have your band and cup size measurements, you can use a bra size calculator or sizing chart to determine your exact bra size. Websites like Target Australia and Nala offer bra-fitting guides and calculators to help you find your perfect bra size. These tools consider both your band and cup size to provide a more accurate bra size recommendation.

By following these steps and understanding the cup size calculation process, you can ensure that you're wearing a bra that fits you comfortably and securely.

Frequently asked questions

To measure your band size, wrap a measuring tape around your torso, directly under your bust. Ensure the tape is parallel to the floor and fits snugly without being too tight.

Wear a strapless, non-padded bra and wrap the measuring tape around the fullest part of your bust, usually over the nipple. Ensure the tape is straight across your back and parallel to the floor.

Your cup size can be calculated by finding the difference between your bust size and band size.

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