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Article · 3 min

300 DPI in Pixels: Meaning and Size Chart for Print

300 DPI means 300 pixels per inch. How many pixels for Letter, A4 or a business card, a free calculator, and why a logo can skip it.

By Gaël Pons

Published , updated 

a hand holds an A4 sheet in a beam of light, the OPUS logo and the small text perfectly sharp, a Depixelise sticker in the corner

Run the numbers for your image

Enter its size or drop it in to see how big it prints sharp. Nothing is uploaded: the math runs on your device.

How big can I print my image?

Its pixel dimensions, or the image itself.

Sharp print size

How many pixels do I need?

Pick a format or enter your own size.

Pixels needed

300 DPI means 300 dots per inch: the resolution printers expect for anything people look at up close, like flyers or business cards. To see if your image is big enough, multiply the print width in inches by 300. That’s the number of pixels you need. Or enter your print size in our free print size calculator and get the pixel count right away.

What does 300 DPI actually mean?

300 DPI stands for 300 “dots per inch”: the printer lays down 300 tiny dots of ink across every inch of paper. At that density, the human eye can’t pick out individual dots at reading distance, which is why most print shops use it as their baseline for flyers, postcards, brochures and small posters.

So 300 DPI isn’t a measure of image quality on its own. It’s a ratio between two things: how many pixels your file has, and how large it will be printed. The very same image can look crisp on a business card and soft on a poster.

Is DPI the same as PPI?

DPI and PPI describe the same idea from two sides: DPI (dots per inch) counts ink dots on paper, PPI (pixels per inch) counts pixels in the file. When a printer asks for “300 DPI”, they mean your file should hold 300 pixels for every inch it will be printed. In everyday use, the two terms are interchangeable.

How many pixels do you need for 300 DPI?

For 300 DPI, you need 300 pixels for every inch of printed width, and the same for the height. Multiply each side in inches by 300 (or, for metric sizes, divide centimeters by 2.54 first). Here are the common sizes:

PrintSizePixels needed at 300 DPI
Business card3.5 × 2 in1050 × 600
Photo print4 × 6 in1200 × 1800
Photo print5 × 7 in1500 × 2100
US Letter flyer8.5 × 11 in2550 × 3300
Tabloid poster11 × 17 in3300 × 5100
A48.27 × 11.69 in2480 × 3508

If your image has fewer pixels than the row you need, expect soft or jagged edges at that size.

Every common paper size is worked out at 72, 96, 150 and 300 DPI on our paper size in pixels page, and t-shirt design sizes gives the print areas on a shirt.

How big can you print a given image at 300 DPI?

The biggest size you can print at 300 DPI is simply the pixel count divided by 300, which gives inches. An image 1200 pixels wide prints about 4 inches wide. A 4000 × 3000 pixel phone photo covers roughly 13 × 10 inches, more than enough for a Letter page.

To skip the arithmetic, the calculator at the top of this page shows how large your image prints sharp, or how many pixels a given print size needs, without uploading anything.

How can you check whether an image is 300 DPI?

To check whether an image is good enough for 300 DPI, ignore the DPI number stored in the file and look at its size in pixels instead. Windows shows it under Properties, then Details; on a Mac, open the file in Preview and choose Tools, Show Inspector. Divide the width by 300: if the result in inches is smaller than the print you want, the image is too small, whatever its label says.

Can a “300 DPI converter” make an image print-ready?

A “300 DPI converter” doesn’t make an image any sharper: it only rewrites a label inside the file, without adding a single pixel. An 800-pixel image is still 800 pixels after conversion; it’s just tagged to print smaller. If detail was missing before, it’s still missing.

The only way to really add pixels is to upscale the image, which AI tools do by guessing plausible detail. That can rescue a photo, though AI upscaling has real limits, spelled out when you unpixelate an image.

Do banners and billboards need 300 DPI?

No, banners and signs seen from several feet away don’t need 300 DPI: Adobe’s guide to DPI puts the floor for posters at around 100 DPI, depending on size and viewing distance. The farther away people stand, the less detail their eyes can see. Always ask your large-format printer for their own number, as it varies from shop to shop.

Does a logo need to be 300 DPI?

A logo ideally has no DPI at all: stored as vectors (shapes described by math, not a grid of tiny colored squares), it gets redrawn at whatever size is needed and stays sharp from a pen to a storefront. That’s why printers would rather have a vector file than any number of pixels. The 300 DPI rule only applies to PNG or JPG exports of it.

On a flyer that mixes a photo and a logo, the winning combo is easy: the photo with enough pixels, the logo as a vector. To pick the right container for each job, compare SVG vs EPS vs PDF; every other check before sending files to a shop is gathered on one page: how to make a print-ready logo.

Your logo as a vector before you finish the math

In the time it takes to multiply your inches by 300, a logo dropped into Depixelise has already been converted: the whole thing takes about ten seconds. You see the result full size, with zoom, right on screen. Your inbox gets a pack of four: an SVG to hand to your printer, a transparent PNG 2000 pixels wide (good for roughly 6.7 inches at 300 DPI), plus one-color and reversed (white) variants. Nothing to pay at any point, 100% free, no account to create, no watermark stamped on the files; uploads go up to 10 MB in SVG, WebP, JPG or PNG.

FAQ

What’s the difference between 72 and 300 DPI?

72 DPI is an old screen convention, while 300 DPI is the benchmark for paper seen up close. On a website or social media, only the pixel dimensions matter; the DPI figure only comes into play when you print.

Does DPI matter for images on a website?

No, web browsers ignore the DPI value and display an image by its pixel dimensions. A 1200-pixel-wide image looks exactly the same online whether it’s tagged 72 or 300 DPI.

Is 600 DPI better than 300 DPI for printing?

For everyday color printing, going above 300 DPI rarely makes a visible difference and only makes the file heavier. Higher settings are mostly useful when scanning a small original you plan to enlarge later.

Why does my 300 DPI image still print blurry?

Usually because the file is labeled 300 DPI but doesn’t have enough pixels, or because it was already enlarged artificially. The causes and fixes are covered in our article on a blurry logo when printed.

Do I need to change the colors as well as the resolution?

Often, yes: a printer may also ask for a CMYK file instead of RGB. That’s a separate question from resolution, explained in CMYK vs RGB.