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Bedroom Size Calculator

Get your bedroom's square footage — plus which bed sizes and furniture combinations will actually fit comfortably.

Total Room Size
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How to Use This Calculator

  1. Enter your bedroom's width and length in feet.
  2. Click Calculate to see your total square footage.
  3. Check the furniture-fit list to see which bed sizes and combinations will fit comfortably, fit tight, or won't fit.

Frequently Asked Questions

How do I calculate room size in square feet?

Multiply the room's width by its length, both measured in feet. A 10 ft by 12 ft room is 120 square feet.

How many square feet is a 12x12 room?

A 12x12 room is 144 square feet (12 × 12 = 144), a common size for a standard bedroom.

Is a 10x10 room 100 square feet?

Yes. 10 × 10 = 100 square feet — generally considered a small-to-average bedroom size.

Will a king bed fit in a 10x10 room?

It will be tight. A king bed plus a walkway needs at least 8x9 feet of clear space, leaving very little room for a dresser or nightstands in a 10x10 room.

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