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Megapixels Resolution CalculatorThis is a megapixel calculator, a tool to calculate and convert graphical resolution base on 4 difference aspect ratios 4:3 (SD), 16:9 (HD/fHD), 21:9 (cinema) and 1:1. 21:9, 16:9 and 4:3 is the ratio of x:y or width:height of the image sensor or output image/video format.Older digital cameras/camcorders aspect ratio are usual 4:3 (SD). However newer digital cameras/camcorders aspect ratio are 16:9 (HD/fHD). Video cameras such as camcorders can be either 4:3 (SD) or 16:9 (HD/fHD). Some camcorders (video and digital) can do both 4:3 (SD) and 16:9 (HD/fHD).How many pixels in a 8 megapixels image? How does that compare to difference aspect ratio? What is the resolution of Digital Cinema with 21:9 aspect ratio? The answer is here!