The common film aspect ratios used in cinemas are 1.85:1 and 2.40:1. Two common videographic aspect ratios are 4:3 (1.3:1), the universal video format of the 20th century, and 16:9 (1.7:1), universal for high … See more

In motion picture formats, the physical size of the film area between the sprocket perforations determines the image's size. The universal standard (established by William Dickson and Thomas Edison in 1892) is … See more

The motion picture industry convention assigns a value of 1 to the image's height; an anamorphic frame (since 1970, approximately 2.39:1) is often incorrectly described (rounded) as either 2.4:1 or 2.40:1. After 1952, a number of aspect ratios were … See more

1:1
Square displays are rarely used in devices and monitors. Nonetheless, video consumption on social apps has grown rapidly and led to the emergence of new video formats more suited to mobile devices that can be … See more

Often, screen specifications are given by their diagonal length. The following formulae can be used to find the height (h), width (w) and area (A), where r stands for ratio, written as a fraction of x by y, and d for diagonal length. See more

This article primarily addresses the aspect ratio of images as displayed, which is more formally referred to as the display aspect ratio (DAR). In digital images, there is a distinction with the storage aspect ratio (SAR), which is the ratio of numbers of pixels. … See more

1:2.32 The first television aspect ratio, used by John Logie Baird's 30-line mechanical television in the early 1930s. 1.19:1 = 19:16 Sometimes referred to as the Movietone ratio, this ratio was used briefly during the transitional period when the film industry … See more