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The bra fitting expert reveals the secret to discovering your true cup size at home using a tape measure

Lingerie expert reveals smart hack to discover your true bra size at home by measuring the difference between your underbust and chest

  • Tap Tok user Madison Anne shared her tips for finding the perfect bra size at home
  • She worked for a leading lingerie company and gave useful tips to try out
  • Easy steps can be done at home without a professional bra fitting

A bra fitting expert has shared her tip to find the perfect bra size without help – and all you need is a tape measure.

American TikTok user Madison Anne, 23, revealed the three easy steps you can take at home to get your size right and choose a bra that flatters your bust – and still be comfortable.

Madison, who used to work as a consultant for a prominent lingerie brand, showed you how to determine your band size and your cup size by simply calculating the difference between the two measurements.

In a simple size chart, she revealed a 1 inch difference that equals an A cup, two inches means you have a B cup, three inches equals a C cup, and four inches means you have a D cup wear.

Tap Tok user Madison Anne revealed simple steps you can take at home to get your size right and choose a bra that flatters your bust - and still be comfortable

Tap Tok user Madison Anne revealed simple steps you can take at home to get your size right and choose a bra that flatters your bust – and still be comfortable

Madison explained how to calculate your cup size yourself based on the difference between your breast and underbust measurements

Madison explained how to calculate your cup size yourself based on the difference between your breast and underbust measurements

Madison explained how to calculate your cup size yourself based on the difference between your breast and underbust measurements

In the TikTok clip, Madison told Anne to start measuring the underbust, the part of the body directly below the breast.

“This will be your band mate,” she said, “if you end up on an odd number, go to the next one.”

She said you should measure your bust without a bra or while wearing a sports bra.

If you follow this logic, round your measurement to 33 inches and round it to the next even number, so your tire size is 34.

According to Madison, a woman with a 34 inch underbust and a 36 breast is a B cup, and a woman with a 34 inch underbust and a 38 breast is a D cup

According to Madison, a woman with a 34 inch underbust and a 36 breast is a B cup, and a woman with a 34 inch underbust and a 38 breast is a D cup

According to Madison, a woman with a 34 inch underbust and a 36 breast is a B cup, and a woman with a 34 inch underbust and a 38 breast is a D cup

The next step was to measure most of the bust, which would indicate your cup size.

How to measure your cup size

Measure your underbust for your band size

Measure your bust and subtract the difference between the measurement and your band size for your cup size

1 inch difference – a cup

2 inch difference – B cup

3 inch difference – C Cup

4 inch difference – D Cup

Madison Anne explained that your cup size was the difference between your underbust and full bust size

If the difference is just one inch (2.5 cm), then your cup size is an A cup.

If the difference is 5 cm, then you are a B cup. This trick also applies to C and D cups.

According to Madison, a woman with a 34 inch underbust and a 36 breast is a B cup, and a woman with a 34 inch underbust and a 38 breast is a D cup.

However, she admitted that the hack was more difficult for larger sizes, because different bust sizes could equal different cups.

For example, she said a five-inch (12.7-inch) difference between the bust and under the bust could mean that a woman was a DD cup or an E cup, and a larger difference could be one of the two cup sizes .

Madison added that sizing may change from one brand to another, but said her easy guide can save you from indecision the next time you want to buy a bra.

Madison said you should measure your bust when you're not wearing a bra or wearing only a sports bra

Madison said you should measure your bust when you're not wearing a bra or wearing only a sports bra

Madison said you should measure your bust when you’re not wearing a bra or wearing only a sports bra

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