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 = 180 x 180 = 32,400 pixels
  • Pixel count = 32.4 thousand pixels
  • Resolution = 32.4 kilo pixels
  • Width / Height: 1
  • "square"
  • Type of aspect ratio = "Square"
  • Type of aspect ratio = "Square" (vertical)
  • A full frame sensor would be 24 x 24 mm (1)
  • Pixel density would be 5 pixels/mm or 130 pixels/inch (dpi)
  • Pixel pitch: 200 micron (rather large)

Calculate (file) size

Print sizes

dpimax dim (imp)max surface
10 dpi billboard18.0" x 18.0"= 324 sq in
72 dpi newspaper2.5" x 2.5"= 6.25 sq in
96 dpi minimum1.9" x 1.9"= 3.52 sq in
150 dpi magazine1.2" x 1.2"= 1.44 sq in
240 dpi inkjet printer0.8" x 0.8"= 0.56 sq in
300 dpi inkjet printer0.6" x 0.6"= 0.36 sq in
600 dpi laser printer0.3" x 0.3"= 0.09 sq in
1200 dpi high-end printer0.2" x 0.2"= 0.02 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

Photo calculators & converters

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Depth-of-Field Calculator
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DPI calculator
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Image filesize calculator
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Megapixel calculator
Image Width x Height → megapixels
Megapixel Aspects
See megapixels in different aspect ratios