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King vs Queen

King is 16 inches wider than Queen, and both are 80 inches long in the selected US nominal profile.

Published by BedFit Atlas · Updated 2026-09-20

Dimensions at a glance

US · Nominal bed dimensions
Size	Width (in)	Length (in)	Area (sq ft)
KingReviewed 2026-09-18	76	80	42.2
QueenReviewed 2026-09-18	60	80	33.3

Selected-size differences

Queen is 16 in narrower than King. Queen has the same length as King. Queen has 8.9 sq ft less footprint area than King.

Width, length and footprint area are compared for every selected pair. Area is shown in square feet.

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2. Queen
1. King

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About King vs Queen

King is 16 inches wider than Queen, and both are 80 inches long in the selected US nominal profile. BedFit Atlas reviewed the Purple reference values on September 18, 2026: King measures 76 by 80 inches and Queen measures 60 by 80 inches. These are mattress dimensions, so a frame needs its own measurements.

The wider rectangle adds 1,280 square inches of footprint, about 8.9 square feet. That space comes from across the room; choosing King does not add mattress length. Compare the width available beside the bed before treating both sizes as interchangeable in a layout.

For a worked example, use a 12 ft square room, both sides open, one nightstand measuring 20 by 20 inches, and 24 inches of clearance at each open side and the foot. The room calculator requires 144 inches across for King and 128 for Queen, with 104 inches along for either. King leaves no spare width beyond those inputs; Queen leaves 16 inches.

The initial clearances of 24 inches are adjustable preferences, not building or accessibility standards. This rectangular example excludes frame projections, door swings and fixed furniture. Replace the preset with your measured frame and check obstacles separately. Allow for measurement uncertainty, and confirm the actual mattress and frame specifications before choosing an arrangement.

Check both orientations, nightstands and the walking space you want.

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Sources and review dates

Data reviewed 2026-09-18.

Bed Sizes and Mattress Dimensions: Guide + Comparison Chart — Purple Purple, US mattress dimensions guide; selected nominal reference values, not product measurements or universal tolerances.
Published room-fit geometry, version 1 — Bed Dimensions