Picture Frames
Storage & Organization · 9 specs
Direct Answer
Standard picture frames and mat openings coordinate photographic print aspect ratios (3:2, 4:5, 3:4). Common formats span 4×6", 5×7", 8×10", 11×14", 16×20", 18×24", and 24×36" poster sizes, with artwork centers mounted at 57–60" eye level.
Source: Professional Picture Framers Association (PPFA) / Standard Photo Sizes · Last reviewed Aug 28, 2026
Specs
| Governing Standards | PPFA Sizing Standards / Photographic Print Aspect Ratios |
| 4 × 6 Inch Frame | 10.2 × 15.2 cm | 3:2 Ratio (Standard 35mm photo print) |
| 5 × 7 Inch Frame | 12.7 × 17.8 cm | 7:5 Ratio | Often matted in 8×10" frame |
| 8 × 10 Inch Frame | 20.3 × 25.4 cm | 5:4 Ratio | Classic portrait standard (Often in 11×14" mat) |
| 11 × 14 Inch Frame | 27.9 × 35.6 cm | Small gallery wall print (Mat opening 7.5×9.5" for 8×10) |
| 16 × 20 Inch Frame | 40.6 × 50.8 cm | Medium gallery wall art (Mat opening 10.5×13.5" for 11×14) |
| 18 × 24 Inch Frame | 45.7 × 61.0 cm | 4:3 Ratio | Architectural & medium poster prints |
| 24 × 36 Inch Frame | 61.0 × 91.4 cm | 3:2 Ratio | Standard commercial & movie poster size |
| Eye-Level Hanging Standard | Center of frame at 57 to 60 inches (145–152 cm) from finished floor |
Standard Picture Frame & Mat Opening Matrix
| Outer Frame Size | Metric Frame Size | Standard Mat Opening Size | Print Size to Insert | Aspect Ratio |
|---|---|---|---|---|
| 4" × 6" | 10.2 × 15.2 cm | Unmatted / Full bleed | 4" × 6" photo | 3:2 Ratio |
| 5" × 7" | 12.7 × 17.8 cm | Unmatted / 3.5" × 5" mat | 5" × 7" or 3.5" × 5" | 7:5 Ratio |
| 8" × 10" | 20.3 × 25.4 cm | 4.5" × 6.5" mat opening | 5" × 7" print with mat (or 8×10 unmatted) | 5:4 Ratio |
| 11" × 14" | 27.9 × 35.6 cm | 7.5" × 9.5" mat opening | 8" × 10" print with mat | 14:11 Ratio |
| 16" × 20" | 40.6 × 50.8 cm | 10.5" × 13.5" mat opening | 11" × 14" print with mat | 5:4 Ratio |
| 18" × 24" | 45.7 × 61.0 cm | 11.5" × 17.5" mat opening | 12" × 18" print with mat | 4:3 Ratio |
| 24" × 36" | 61.0 × 91.4 cm | 19.5" × 29.5" mat opening | 20" × 30" print or 24×36 unmatted poster | 3:2 Ratio |