Bed Size Calculator

Mattress dimensions for Twin, Full, Queen and King.

Width 60

Length 80

Step-by-step with your numbers:

1. Values used:

2. Bed type = 60

3. Width = 60

4. Length = 80

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Standard mattress size quick reference.

The math behind it

Standard sizes: Twin 39×75, Full 54×75, Queen 60×80, King 76×80, Cal King 72×84.

What fits my room?

Add ~2 ft walking space around the bed.