Understanding Bra Cup Sizes

Essentially the bra started life as something very simple, two handkerchiefs, ribbon and cord. With the evolution of women’s roles, their underwear and the need for better support, the bra’s cup size was developed. In the 1920s Berlei, an Australian company surveyed 6000 women in the Sydney area, concluding five Australian figure types. Then in 1935 lingerie designers/manufacturers came to the realization that the breast and the bust needed two different scales of measurement in insure a better fitting, supporting brassiere.

The cup size is determined by two measurements: the measurement around the largest part of the bust and the measurement just under the breast around the ribs. The cup merely means the difference of your two measurements. Subtract the under breast measurement from the breast measurement. For every inch in difference the cup size goes up one size starting at A for one inch difference.

“A cup” measurements can range from 82cm up to 114cm, approximately.

“B cup” measurements can range from 84cm up to 116cm, approximately.

“C cup” measurements can range from 86cm up to 118cm, approximately.

“D cup” measurements can range from 88cm up to 120cm, approximately where as the “DD cup” measurements range from 90cm to 122cm.

“E cup” bra is a larger cup size; measurements can range from 92cm up to 124cm.

“F cup” sometimes known as “DDD cup” measurements can range from 99cm up to 126cm.

“G cup” bra is a large cup size; measurements can range from 101cm up to 128cm.

Thanks to online shopping and the power of the consumers dollar choices are becoming greater. As with any size bra a good fit is essential and larger breasts require proper support to avoid discomfort. A bra should lift and support the breasts, with minimal stress to the neck and back. The correct cup size should provide a smooth silhouette under clothing, with no wrinkles in the fabric and completely hold the breast without any spillage at the front or sides. When you lift your arms up the bra should not rid up or release the breasts. Bra support comes mainly from the back strap which if fitted correctly, sits firmly and comfortably around the ribcage horizontally. If opting for a bra with underwires ensure the sit flat on the breast plate at the front and your arms move smoothly without catching.


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