Megapixel calculator

A "megapixel" is one million (1.000.000) pixels. Enter the pixel dimensions of your photo, camera, screen or tv, and calculate how many megapixels that is.

Calculate megapixels

  • Size = 41472 x 19968 = 828,112,896 pixels
  • Pixel count = 828.11 million pixels
  • Resolution = 828.11 mega pixels
  • A full frame sensor would be 49.9 x 24 mm (2.08)
  • Pixel density would be 1152 pixels/mm or 29260 pixels/inch (dpi)
  • Pixel pitch: 0.9 micron (exceptionally fine)

Calculate (file) size

Print sizes

dpimax dim (imp)max surface
10 dpi billboard345.6ft x 166.4ft= 57508 sq ft
72 dpi newspaper48.0ft x 23.1ft= 1109 sq ft
96 dpi minimum36.0ft x 17.3ft= 624 sq ft
150 dpi magazine23.0ft x 11.1ft= 256 sq ft
240 dpi inkjet printer172.8" x 83.2"= 99.8 sq ft
300 dpi inkjet printer138.2" x 66.6"= 63.9 sq ft
600 dpi laser printer69.1" x 33.3"= 16 sq ft
1200 dpi high-end printer34.6" x 16.6"= 575 sq in

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Background

For decades, advances in camera technology have been measured in 'megapixels', although more pixels doesn't always mean better quality. The same metric can also be used to describe the resolution of photos, or digital screens. This megapixel calculator brings it all together. Calculate, compare, visualise and estimate.

References

Wikipedia: Pixels & megapixels
Wikipedia: Common resolutions
Camera Resolution explained
Canon RAW, sRAW, mRAW

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DPI calculator
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