What size image should I purchase? And other PhotoDune purchase FAQ's

How are image prices decided on PhotoDune?

Images sold on PhotoDune are priced based on their pixel dimensions. The more pixels, the larger the image and the higher the price. We offer multiple versions of each image so that you can purchase your desired file in the size that suits you. 

Are all images on PhotoDune 72PPI?

No. Authors can submit images at any resolution. If the image you purchase is at some other resolution, you can change that without affecting the pixel dimensions or image quality. For more information on PPI, DPI and how to change image resolution, this tutorial may be of assistance

What even is PPI, and how do I know what size image I need? 

PPI stands for pixels per inch, and is a measurement of the resolution requirements of computer screens, printers and other devices that create or display images. If you're looking for an image to put on a website, you should purchase based on the pixel dimensions of the sizes offered on PhotoDune. However if the only information you have available is the physical size the image must be (in inches or cm) then the table below may be of assistance. Digitally displayed images are typically set to 72 or 96PPI, while high-quality print materials should be set to a much higher pixel density, because printers create images in much greater detail than a computer screen does. If you print an image at 72PPI and look at it from arm's length it'll look pixelated. If you need an image to print at 300PPI and you know it has to be 8 inches wide, the table below demonstrates that you need an image that is a minimum of 2400 pixels wide. 


Measurements (inches & centimeters)
  72 PPI 96 PPI 150 PPI 300 PPI
Pixels In cm In cm In cm In cm
100 1.39 3.53 1.04 2.64 0.67 1.7 0.33 0.84
200 2.78 7.06 2.08 5.28 1.33 3.38 0.67 1.7
300 4.17 10.59 3.13 7.95 2 5.08 1 2.54
400 5.56 14.12 4.17 10.59 2.67 6.78 1.33 3.38
500 6.94 17.63 5.21 13.23 3.33 8.46 1.67 4.24
600 8.33 21.16 6.25 15.88 4 10.16 2 5.08
700 9.72 24.69 7.29 18.52 4.67 11.86 2.33 5.92
800 11.11 28.22 8.33 21.16 5.33 13.54 2.67 6.78
900 12.5 31.75 9.38 23.83 6 15.24 3 7.62
1000 13.89 35.28 10.42 26.47 6.67 16.94 3.33 8.46
1200 16.67 42.34 12.5 31.75 8 20.32 4 10.16
1400 19.44 49.38 14.58 37.03 9.33 23.7 4.67 11.86
1600 22.22 56.44 16.67 42.34 10.67 27.1 5.33 13.54
1800 25 63.5 18.75 47.63 12 30.48 6 15.24
2000 27.78 70.56 20.83 52.91 13.33 33.86 6.67 16.94
2200 30.56 77.62 22.92 58.22 14.67 37.26 7.33 18.62
2400 33.33 84.66 25 63.5 16 40.64 8 20.32
2600 36.11 91.72 27.08 68.78 17.33 44.02 8.67 22.02
2800 38.89 98.78
29.17 74.09 18.67 47.42 9.33 23.7
3000 41.67
105.84 31.25 79.38 20 50.8 10 25.4
3200 44.44 112.88 33.33 84.66 21.33 54.18 10.67 27.1
3400 47.22 119.94 35.42 89.97 22.67 57.58 11.33 28.78
3600 50 127 37.5 95.25 24 60.96 12 30.48
3800 52.78 134.06 39.58 100.53 25.33 64.34 12.67 32.18
4000 55.56 141.12 41.67 105.84 26.67 67.74 13.33 33.86
5000 69.44 176.38 52.08 132.28 33.33 84.66 16.67 42.34
6000 83.33 211.66 62.5 158.75 40 101.6 20 50.8
7000 97.22 246.94 72.92 185.22 46.67 118.54 23.33 59.26
8000 111.11 282.22 83.33 211.66 53.33 135.46 26.67 67.74
9000 125 317.5 93.75 238.13 60 152.4 30 76.2
10000 138.89 352.78 104.17 264.59 66.67 169.34 33.33 84.66
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