Aspect Ratio Calculator

A simple aspect ratio calculator. Select "Format" from the drop down menu and then type in either width or height to get the correct proportions.

Width Height

To get the full list of different film formats, please go here.

Aspect ratio examples

Format Aspect Aspect /4
TechniScope 0.4258 0.42708333333
65mm 0.439 0.4375
70mm 0.4544 0.453125
16x9 0.5625 0.5625
Super 16mm 0.5924 0.59375
VistaVision 0.6679 0.66666666667
16mm 0.7226 0.72395833333
35mm 0.7292 0.72916666667
PAL 0.75 0.75

The last column describes the aspect if you would like to compress something with a modulus of 4, i.e. when compressing for H264.

Common Resolutions

DV_Resolutions.svg

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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