Aspect Ratio Calculator
A simple aspect ratio calculator. Select "Format" from the drop down menu and then type in your preferred width to get the correct height according to selected aspect.
Width x Height
Aspect ratio examples
| Common Formats | Aspect |
|---|---|
| Classic 35 mm still photographic film | 1.5:1 |
| Traditional television & older computer monitor standard | 1.33:1 (4:3) |
| Common modern computer screen ratio | 1.6:1 (16:10 or 8:5) |
| HD video standard | 1.77:1 or 1.78:1 (16:9) |
| Film Formats | Aspect |
| 35 mm US and UK widescreen standard for theatrical film | 1.85:1 |
| 35 mm anamorphic prior to 1970, used by CinemaScope ("'Scope") and early Panavision |
2.35:1 |
| 35 mm anamorphic from 1970 onwards. | 2.39:1 |
| "two-four-oh" | 2.40:1 |
| IMAX motion picture film | 1.43:1 |
| Other Formats | Aspect |
| Golden Ratio | 1.618:1 |
| Silver Ration (DIN, ISO 216) | √2:1 (≈2.414:1) |
| √5:1 (≈2.2361:1) | 0.7292 |
| √3:1 (≈1.7321:1) | 0.75 |
Note: an anamorphic frame (since 1970, 2.39:1) is often incorrectly described (rounded) as 2.40:1 or 2.40 ("two-four-oh"). The aspect ratio of 2.39:1 was confirmed by the most recent revision from August 1993 (SMPTE 195-1993).
https://en.wikipedia.org/wiki/Aspect_ratio_(image)
For a full list of different film formats, please to:
http://en.wikipedia.org/wiki/List_of_film_formats
Common Resolutions
| Format | Dimension | Aspect Ratio |
|---|---|---|
| 4K UHD | 4096 × 2160 px | 1.9:1 |
| 4K UHD-1 | 3840 x 2160 px | 16:9 or 1.78:1 |
| 2K DCI (native resolution) | 2048 × 1080 px | 1.90:1 (256:135, ~17:9) |
| 2K DCI (flat cropped) | 1998 × 1080 px | 1.85:1 |
| 1080p full HD | 1920 x 1080 px | 16:9 |
| 720p HD | 1280 x 720 px | 16:9 |
| qHD | 960 x 540 px | 16:9 |
| PAL (SD) | 768 x 576 px | 1.33:1 |
YouTube and Vimeo allow a maximum upload resolution of 4096 × 3072 pixels
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