How Big Can I Print My Photo

If your file is spat out of your camera at 4928px x 3264px then that means you have 16 megapixels.

Multiply the image height and width by 300 to get a rule of thumb for pixels needed for that print. Certainly more than what an average user would ever need for printing everyday photos. In order to print at 300dpi on a 36 24 print you would need an image with a resolution of 36 300 by 24 300 or 10 800 7 200 pixels or a 77 76 megapixel camera. For example if an image measures 3 840 x 5 760 pixels and you want an 8 x 10 inch print take the longest edge in pixels and divide it by the longest edge in inches of the target print size.

At 300dpi that resolution only yields images of 17 28 x 11 52. 4928 x 3264 1 000 000 16. So if you have a 12 megapixel iphone and you want an excellent quality professional looking print at 300 ppi the biggest you can print your photo is 14 29 inches by 9 49 inches. The maximum size you can print these is 5x7 landscape instagram photos.

It is considered good practice to send a file to print at 300 ppi so in each inch of print you will effectively have 300 pixels. Photo labs recommend at least 250 dpi input for normal prints. Next multiply the pixel dimensions together. You can see this by opening up the file and switching the dimensions to inches.

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However that depends how close you look at it. Printing at full resolution usually means printing at 300 pixels per inch ppi or sometimes 240 ppi. The t4i is only an 18 megapixel camera with a resolution of 5184 3456 pixels. This means you could print at 16 x 12 with no problem.

But if you re willing to print at 150 ppi you ll be able to have a much larger photo. If you want to print a billboard at 72 dpi the same image size will be good enough for a 64 x 48 print. Since the standard printing resolution for photographs is 300dpi you can calculate the approximate megapixels needed for each image size. Adjusting the resolution of your photo in photoshop is easy.

A full resolution print is your ideal print size using the full image reproduction capabilities of most printers. For example and 8x10 becomes 2400x3000 pixels.