| Name | Aspect Ratio | Some Common Uses | |
|---|---|---|---|
| Square | 1:1 | 1 | Photo: 26.5×26.5 mm 126 format, 40×40 mm 127
format, 56×56 mm 120/620/220 format, 65×65 mm 70 mm
format Print: 2"×2", 4"×4", 5"×5", 6"×6", 8"×8", 10"×10", etc. |
| 6×7 | 7:6 | 1.166667 | Photo: 56.4×65.8 mm 120/620/220 format Photo: 6"×7", 12"×14", 24"×28" |
| 5×6 | 6:5 | 1.2 | Print: 5"×6", 10"×12", 20"×24" |
| 352×288 | 11:9 | 1.222222 | Video: PAL/SECAM low-definition DVD format with 352×288 pixels |
| 8×10 | 5:4 | 1.25 | Display: 640×512 pixels, 720×576 pixels,
1280×1024 pixels, 1800×1440 pixels Photo: 8×10 mm disc format, 4"×5" format, 8"×10" format Print: 4"×5", 8"×10", 16"×20", 24"×30", 32"×40" Video: PAL/SECAM standard-definition DVD format with 720×576 pixels |
| 8×10 trimmed | 19:15 | 1.266667 | Print: 8"×10" with ¼" border |
| 11×14 | 14:11 | 1.272727 | Print: 11"×14", 22"×28" |
| 11×14 trimmed | 9:7 | 1.285714 | Print: 4"×5" with ¼" border, 11"×14" with ¼" border |
| 13×17 | 17:13 | 1.307692 | Photo: 13×17 mm 110 format |
| 8½×11 trimmed | 21:16 | 1.3125 | Print: 8½"×11" with ¼" border |
| 1152×870 | 192:145 | 1.324138 | Display: 1152×870 pixels |
| 3×4 | 4:3 | 1.333333 | Cinema: 1"×¾" 1894 Edison Kinetoscope 35 mm
format Display: 320×240 pixels, 480×360 pixels, 640×480 pixels, 800×600 pixels, 832×624 pixels, 1024×768 pixels, 1152×864 pixels, 1280×960 pixels, 1400×1050 pixels, 1600×1200 pixels, 1920×1440 pixels pixels Photo: 4:3 digital camera aspect ratio, 24×18 mm half-frame 35 mm format, 40×30 mm 127 format, 56×42 mm 120/620/220/645 format, 56.4×75.2 mm 120/620/220 format Print: 1½"×2", 3"×4", 6"×8", 8½"×11" with ½" border, 12"×16", 15"×20", 30"×40", 30"×40" Video: NTSC standard-definition television aspect ratio |
| 16 mm | 95:71 | 1.338028 | Cinema: 0.380"×0.284" 16 mm format |
| 8 mm | 91:67 | 1.358209 | Cinema: 0.182"×0.134" 8 mm format |
| Super 8 | 215:158 | 1.360759 | Cinema: 0.215"×0.158" Super 8 mm format |
| Academy | 825:602 | 1.370432 | Cinema: 0.825"×0.602" Academy of Motion Picture Arts & Sciences standard 35 mm format |
| 5×7 | 7:5 | 1.4 | Photo: 5"×7" format Print: 2½"×3½", 3"×4" with ¼" border, 5"×7", 10"×14", 20"×28" |
| ISO | √2 | 1.414214 | Pythagoras' Constant (2½) Print: ISO A7, B7, A6, B6, A5, B5, A4, B4, A3, B3, A2, B2, A1, B1, A0, B0 |
| 544×384 | 17:12 | 1.416667 | Display: 544×384 pixels |
| 7×10 | 10:7 | 1.428571 | Print: 3½"×5", 7"×10", 14"×20", 28"×40" |
| A3 trimmed | 136:95 | 1.431579 | Print: A3 with 6 mm border |
| IMAX | 274:191 | 1.434555 | Cinema: 2.74"×1.91" IMAX 70 mm format |
| A4 trimmed | 95:66 | 1.439394 | Print: A4 with 6 mm border |
| 5×7 trimmed | 13:9 | 1.444444 | Photo: 2¼"×3¼" 120/620/220 format Print: 5"×7" with ¼" border |
| 11×16 | 16:11 | 1.454545 | Print: 2¾"×4", 5½"×8", 11"×16", 22"×32" |
| A5 trimmed | 99:68 | 1.455882 | Print: A5 with 6 mm border |
| A6 trimmed | 136:93 | 1.462366 | Print: A6 with 6 mm border |
| 4×6 | 3:2 | 1.5 | Display: 720×480 pixels Photo: 24×36 mm full-frame 35 mm format, 40×60 mm 127 format, 56×84 mm 120/620/220 format, APS-C aspect Print: A7 with 6 mm border, 3½"×5" with ¼" border", 4"×6", 5"×7½", 8"×12", 10"×15", 12"×18", 18"×27" Video: NTSC standard-definition DVD format with 720×480 pixels, NTSC low-definition DVD format with 360×240 pixels |
| 9×14 | 14:9 | 1.555556 | Print: 2¾"×4" with ¼" border |
| 16×25 | 25:16 | 1.5625 | Display: 1600×1024 pixels |
| 7×11 | 11:7 | 1.571429 | Print: 4"×6" with ¼" border |
| 5×8 | 8:5 | 1.6 | Display: 1440×900 pixels, 1920×1200 pixels Print: 5"×8", 10"×16", 20"×32" |
| Golden Ratio | 0.5+√1.25 | 1.618034 | Golden Ratio (φ) |
| 3×5 | 5:3 | 1.666667 | Display: 1280×768 pixels Cinema: 1.67:1 motion picture aspect ratio Print: 3"×5", 6"×10", 12"×20", 18"×30", 24"×40" |
| 7×12 | 12:7 | 1.714286 | Print: 3½"×6", 7"×12", 14"×24" |
| 4×7 | 7:4 | 1.75 | Print: 4"×7", 8"×14", 16"×28" |
| 71:40 EDTV | 71:40 | 1.775 | Cinema: 1.78:1 motion picture aspect ratio Display: 852×480 pixels Video: EDTV enhanced-definition television with 852×480 pixels 480p format, NTSC enhanced-definition DVD format with 852×480 pixels |
| 16:9 HDTV | 16:9 | 1.777778 | Display: 1280×720 pixels, 1600×900 pixels,
1920×1080 pixels Photo: APS-H aspect Video: 16:9 HDTV high-definition television aspect ratio using either the 1280×720 pixels 720p format or the 1920×1080 pixels 1080i format |
| 5×9 | 9:5 | 1.8 | Print: 3"×5" with ¼" border, 10"×18", 20"×36" |
| APS | 302:167 | 1.808383 | Photo: 16.7×30.2 mm APS image format |
| Academy-Flat | 13:7 | 1.857143 | Cinema: 1.86:1 motion picture aspect ratio |
| Double-Width | 2:1 | 2 | Print: 4"×8", 5"×10", 6"×12", 8"×16", 10"×20", 12"×24", 15"×30", 18"×36", 20"×40" |
| ISO and a Half | √4.5 | 2.121320 | Print: ISO sheet cut in third widthwise |
| Centerfold | 24:11 | 2.181818 | Print: 11"×24" |
| 2.2:1 | 11:5 | 2.2 | Cinema: 2.20:1 anamorphic motion picture aspect ratio |
| 24×54 | 9:4 | 2.25 | Photo: 24×54 mm panoramic 35 mm format |
| 2.35:1 | 47:20 | 2.35 | Cinema: 2.35:1 anamorphic motion picture aspect ratio |
| 4×10 | 5:2 | 2.5 | Print: 4"×10", 8"×20", 16"×40" |
| 2.55:1 | 51:20 | 2.55 | Cinema: 2.55:1 anamorphic motion picture aspect ratio |
| Double-Screen | 8:3 | 2.666667 | Display: 2048×768 pixels, 1152×864 pixels, 2560×960 pixels, 3200×1200 pixels |
| 24×65 | 65:24 | 2.708333 | Photo: 24×65 mm panoramic 35 mm format |
| Double ISO | √8 | 2.828427 | Print: ISO sheet cut in half lengthwise |
| 7×20 | 20:7 | 2.857143 | Print: 3½"×10", 7"×20", 14"×40" |
| 8×23 | 23:8 | 2.875 | Print: 4"×11½", 8"×23" |
| Triple-Width | 3:1 | 3 | Photo: APS-P aspect Print: 4"×12", 5"×15", 6"×18", 8"×24", 10"×30", 12"×36", 15"×45", 18"×54" |
| Quadruple-Width | 4:1 | 4 | Display: 3072×768 pixels, 3456×864 pixels,
3840×960 pixels, 4800×1200 pixels Print: 4"×16", 5"×20", 6"×24", 8"×32", 10"×40" |
| Quintuple-Width | 5:1 | 5 | Print: 4"×20", 6"×30", 8"×40" |
| Sextuple-Width | 6:1 | 6 | Print: 4"×24", 5"×30", 6"×36" |