UK Teen bra sizing – How to measure for a first bra

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Teen bras may have actual cups in their designs. Learn all about your first cup size

What size bra do teenagers wear?

Teenage bras start from cup AA and will go to B, C, and sometimes D.

The cups of your first bra might be padded and may also have a wire in them. This is a flexible wire that will be very comfortable.

See my bra calculator or visit

Bras and Size charts
M&S UK | M&S IR | M&S US | First Bras

You’ll need a measuring tape to do your measurements. Write down the outcome. You will need two numbers to determine your bra size.

Measure your underbust | this is your band size

Measure your bust size | this is your cup size

Whatever age you are, getting the right bra size is the first step before trying and buying a bra.

It’s not difficult to determine your bra size at home. Of course, you can ask someone to help you or get a bra fitting in a lingerie store.

It’s important to measure regularly. Your body and breasts may change in size over time. Also see Teen bras and sizing at Marks & Spencer

You can look up your bra size in this bra size chart.

Manjiamei has a great selection of bras for young girls.

Teen Girls Thin Cotton Breathable Sports Bra Push-up Running | See Amazon.co.uk

What’s great about this brand?

Well, they have all styles a young girl would want.

MANJIAMEI Teen Girls Sports Bras with Adjustable Strap Wire Free Bralette | See Amazon.co.uk

Available Size are 32/70AB Bras, 34/75AB Bra, 36/80AB and 38/85AB Bras. Bras for girls 10-12, 12-14, 16-18 years.

This sports bra is designed for women and girls with a smaller frame.

The bra offers good support during sports and exercise.
It has a racerback design and adjustable back fastening.
The foam pads in the cups give a great shape.
The pads can be easily removed, leaving a pocket to hold a prosthesis if required.

M&S has a special first bra collection. You’ll find both wired and non-wired designs. Colors black, nude, white, pink

First bra collection Marks & Spencer | See details at M&S