| Size | Inches | Centimetres | Best for |
|---|---|---|---|
| Standard | 20 x 26 in | 51 x 66 cm | Twin and full beds; fits most pillowcases |
| Queen | 20 x 30 in | 51 x 76 cm | Queen beds, or a bit more room to move |
| King | 20 x 36 in | 51 x 92 cm | King beds; two fill the width |
| Euro square | 26 x 26 in | 66 x 66 cm | Sitting up, or as a backrest |
| UK standard | 19 x 29 in | 48 x 74 cm | Most UK beds |
| European | 20 x 31 in or 26 x 31 in | 50 x 80 or 65 x 80 cm | Common in Germany and much of Europe |
| Body pillow | 20 x 54 in | 51 x 137 cm | Hugging, side sleeping, pregnancy |
| Travel | 12 x 16 in | 30 x 40 cm | Planes, cars, children |
Sizes vary by a few cm between brands. Check the listing before buying pillowcases.
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Size is not height
The size is the length and width. What decides comfort is the loft (height) and firmness. Work out your loft or take the pillow quiz.
Need the bed size too? See the mattress size chart.
How we pick. We match product specs to you using published sleep and physiotherapy guidance. We have not lab-tested individual products and never invent reviews. Not medical advice: for ongoing pain, see a doctor or physiotherapist. We may earn a commission from shop links. Details