Twin XL adds length only; a Twin frame or fitted sheet should not be assumed to accept it.
The calculated surface-area difference is 6.3%, measured relative to US Twin XL.
| Market + name | Native figure | Centimetres | Inches | Evidence type |
|---|---|---|---|---|
| US TwinAlso: Single | 38 × 75 in | 96.5 cm × 190.5 cm | 38 in × 75 in | conventionhigh confidence |
| US Twin XLAlso: Twin Extra Long, XL Twin | 38 × 80 in | 96.5 cm × 203.2 cm | 38 in × 80 in | conventionhigh confidence |
The two US sizes share a width, so the entire decision is the extra five inches of length and whether the frame and bedding match it.
The figures above are calculated from the identified dimensional records, not from rounded display conversions.
Twin XL adds length only; a Twin frame or fitted sheet should not be assumed to accept it.
Rigid frames, enclosed bases, fitted sheets and protectors should be selected from finished product measurements and depth—not from the closest name.
Review US Twin dimensions and tolerance · Review US Twin XL dimensions and tolerance · Compare another country-qualified pair · Measure before buying
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