Worked hanging guide

Should gallery wall spacing be 2 or 3 inches?

Neither gap is universally correct. Two inches makes separate frames read as a tighter collection; three inches gives each frame more breathing room. Calculate the full footprint before deciding.

Short answerFive 12 in-wide frames need 68 in with 2 in gaps and 72 in with 3 in gaps—a 4 in difference across the complete row.

Compare the total span, not one gap

Five frames create four interior gaps. With 12-inch-wide frames, the frame width contributes 60 inches. Four 2-inch gaps add 8 inches; four 3-inch gaps add 12 inches.

2 in gaps: (5 × 12) + (4 × 2) = 68 in3 in gaps: (5 × 12) + (4 × 3) = 72 in

Use two inches for a more unified block

A 2-inch gap—5.08 cm—often helps small and medium frames read as one arrangement. It is useful when the wall is narrow or when the frames share a strong visual relationship. Check that shadows and projecting mouldings do not make the gap feel tighter than the number suggests.

Use three inches for clearer separation

A 3-inch gap—7.62 cm—creates more negative space and can keep larger or visually heavy frames from feeling crowded. Across many columns and rows, that extra inch compounds quickly, so confirm the outside footprint.

Test both at full size

Cut paper templates for the real outer frame dimensions. Tape one version at 2 inches, photograph it from the room entrance, then move the templates to 3 inches. The better choice depends on the wall, frame profiles, artwork contrast, and viewing distance—not a universal decorating rule.

For identical frames and a fixed available width, use the equal-frame spacing calculator to compare the remaining edge margins.