Is bed size the same as mattress size?

For standard US frames, yes—the mattress footprint is the bed size you shop for. Frames may add a few inches for side rails; check the product listing.

What size is a queen bed?

A standard queen bed mattress is 60 inches wide by 80 inches long (152 cm × 203 cm).

Bedding & Bed Size Charts

Plan a bedroom purchase from one place: mattress footprints, sheet sizes, blanket coverage, and side-by-side comparisons before you buy.

What do you need?

Mattress & bed sizes

Twin, Full, Queen, King footprints in inches and cm.

Bed sheets

Fitted & flat sheet dimensions and pocket depth.

Blankets & duvets

Coverage sizes matched to each bed size.

Compare two sizes

Queen vs King, Full vs Queen — side by side.

Standard US bed & mattress sizes

For standard frames, bed size matches the mattress footprint. Use this table when shopping for a mattress, frame, or sheets.

Size	Width × Length (in)	Width × Length (cm)
Twin	38" × 75"	96.5 × 190.5
Full	54" × 75"	137 × 190.5
Queen	60" × 80"	152 × 203
King	76" × 80"	193 × 203
California King	72" × 84"	183 × 213

Full mattress size chart · Bed sheet sizes · Blanket sizes

Tools

Mattress Size Converter

Lookup, compare two sizes, and room-fit calculator.

Full vs Queen Comparison

Open the converter with Full and Queen pre-selected.

Room Size Calculator

Check if your bedroom fits a chosen mattress.

Guides

How to Choose Mattress Size

Room size, sleepers, and comfort trade-offs.

Mattress Size Comparison Guide

Written guide for Twin through California King.

Bed Sheet Selection Guide

Fitted vs flat, pocket depth, and materials.

Memory Foam vs Hybrid Mattress

Construction comparison plus sizing notes.

Bed size vs mattress size

Shoppers often search for "queen bed size" or "king bed dimensions"—for standard US beds, those numbers are the same as the mattress. Sheets and duvets use slightly larger dimensions for overhang; see our bed sheet chart and blanket chart.