VideoSpec Help  > Exploring VideoSpec > Aspect Ratio and pixel dimensions Calculators
  Calculators
Aspect Ratio calculator is available via the "Aspect Ratio" tab. It allows to calculate aspect ratio and pixels number from frame height and width. A preset menu of most popular formats is available to automatically enter frame height and width (number of pixels). It is also possible to manually enter the values ​​for frame height and width. The other two tools ("Height" and "Width" tabs) allow to obtain either the height or width values ​​from the corresponding complementary values. As for the preset menu in "Aspect Ratio" tab you can select a common format. A preset menu for common Aspect Ratios is also available. It is even possible to choose an arbitrary Aspect Ratio ( "custom").