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Original poster

What’s the adult equivalent size for a 12-13 year old?

38 replies

Booksandflowers · 22/04/2024 14:04

Looking at buying some period knickers for my 12 year old in anticipation of starting but no idea what size to get. Would get size 12-13 if available but they come in adult sizes.

I can’t measure her or her current undies at the moment. What’s an average 12 year old? A 6 maybe? Or an 8?

OP posts:
givemushypeasachance · 22/04/2024 14:19

Booksandflowers · 22/04/2024 14:15

Also am I right in thinking you can buy some for swimming? If so, what are they called? Thanks

Seem to be called period swimwear but don't think M&S sell those.

kitsuneghost · 22/04/2024 14:18

about a 6-8. when I was a size 8, I wore age 13 jeans

Original poster
Booksandflowers · 22/04/2024 14:15

Also am I right in thinking you can buy some for swimming? If so, what are they called? Thanks

OP posts:
Original poster
Booksandflowers · 22/04/2024 14:13

I might go for the 6. Getting them from M&S as doing a uniform order so thought I’d combine it.

OP posts:
Coasters4Life · 22/04/2024 14:13

I wear a size 10-12 and regularly shop in the kids section (next especially). I usually buy age 12 or 13. I have found most shops are about the same.

TipsyKoala · 22/04/2024 14:11

Modibodi and Bodyform do teen sizes. ModiBodi by age and Bodyform by hip size.

MissTruecrime · 22/04/2024 14:11

My daughter is 12 and she wears the size 4-6 or 6-8 dependent on make.

DavidRosesEyebrows · 22/04/2024 14:08

Dd2 is 12yo and is a size 4-6. I'd say she's fairly average sized for her age.

Smartiepants79 · 22/04/2024 14:07

My 13 year old wears a size 10-12.
Or a medium.
It really does depend on the child and how developed they are.
My 11 year old wears the smallest available.

Hoppinggreen · 22/04/2024 14:06

Could be anything from a 4 to a 14, but a 6 is probably safe

givemushypeasachance · 22/04/2024 14:06

This has the waist size equivalent for girls clothes at M&S - then compare with what they say the waist size of the pants are in cm/inches.

https://www.mandsyourschooluniform.com/size-guide

Singleandproud · 22/04/2024 14:06

Look at the online size chart of where ever you normally buy her clothes from and compare the cm.

Youcannotbeseriousreally · 22/04/2024 14:05

My 12 year old wears an adult size 4