Wall art size guides

Practical rules for choosing and hanging wall art — sizes, heights and spacing — with charts and calculators. When you’re close, check the size on your own wall in AR.

• What size art goes over a sofa?Two-thirds to three-quarters of the sofa width, 8–10 in above the back — with a chart and calculator.
• What size art goes over a bed?Two-thirds to three-quarters of the bed width, 8–12 in above the headboard — twin to king chart.
• How high should you hang art?Center at 57–60 in, 8–10 in above furniture — plus a nail-height calculator.
• Standard canvas sizes (inches and cm)Canvas sizes for every common proportion, in inches, centimeters and pixels.
• Three-panel (triptych) wall art: sizes and spacingTotal size, panel size and 2–3 in spacing for triptych sets.
• Gallery wall layout: spacing, size and heightEqual 2–3 in gaps, two-thirds width, centered at eye level — a step-by-step plan.