Resize an image in inches
Print sizes in the United States are given in inches: 2 × 2 for a passport photo, 4 × 6 for a snapshot, 8 × 10 for a frame. Enter the size in inches and the DPI, and download a file with the matching pixels.
- Runs in your browser
- Nothing is uploaded
- No sign-up
- Batch up to 20 images
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How to use the inch image resizer
Enter the print size in inches and the DPI, then add your photo. Pixels are inches multiplied by DPI, so 4 × 6 inches at 300 DPI gives 1200 × 1800 pixels. With a ready-made print size the photo is cropped from the centre to that shape, unless you choose to fit it inside.
- Add your imageIts current size in inches at 300 DPI appears in the fields.
- Type the size in inchesDecimals such as 8.5 work. Or tap a ready-made print size, which turns to match a landscape photo.
- Check the result and downloadThe panel shows the pixel size and tells you if the picture had to be enlarged.
About this tool
Inches make the arithmetic simple, because DPI means dots per inch: pixels = inches × DPI. A 4 × 6 inch print at 300 DPI needs 1200 × 1800 pixels, and a 2 × 2 inch passport photo needs 600 × 600. The catch is that a photo rarely has the same shape as the print, so something has to be cropped or left blank.
This page resizes to the inches you type and handles the shape for you. With a ready-made print size it crops evenly from the centre to fill the print, the way a photo lab does. You can instead fit the whole picture inside with a border colour of your choice, or stretch it. The DPI is saved in the file, so it opens at the right size in layout and print software.
What you get
- Width and height in inches, with decimals
- Ready-made 2 × 2, 4 × 6, 5 × 7, 8 × 10 and Letter sizes
- Crop to fill, fit inside with a border, or stretch
- Tells you when the photo was enlarged to reach the size
- Batch up to 20 images for the same print size
When to use the inch image resizer
US passport and visa photos
The United States asks for a 2 × 2 inch photo. At 300 DPI that is 600 × 600 pixels.
Snapshots for a photo lab
Sizing a picture to 4 × 6 or 5 × 7 inches yourself means you decide what is cropped, not the lab's machine.
Pictures for a frame
An 8 × 10 frame needs a picture with that shape. Resizing first shows you what will be lost at the edges.
Images for a Letter-size document
A flyer or report on 8.5 × 11 inch paper is easier to lay out when each image already has its size in inches set.
Print sizes in inches and the pixels they need
| Print size | Pixels at 300 DPI | Pixels at 150 DPI | Megapixels at 300 DPI |
|---|---|---|---|
| 2 × 2 in | 600 × 600 | 300 × 300 | 0.4 MP |
| 4 × 6 in | 1200 × 1800 | 600 × 900 | 2.2 MP |
| 5 × 7 in | 1500 × 2100 | 750 × 1050 | 3.2 MP |
| 8 × 10 in | 2400 × 3000 | 1200 × 1500 | 7.2 MP |
| 8.5 × 11 in | 2550 × 3300 | 1275 × 1650 | 8.4 MP |
| 11 × 14 in | 3300 × 4200 | 1650 × 2100 | 13.9 MP |
How it works
DPI stands for dots per inch, so in this unit there is nothing to convert: the pixel width is the inches multiplied by the DPI. The megapixel column in the table follows from that. An 8 × 10 inch print at 300 DPI needs 2400 × 3000 pixels, which is 7.2 megapixels, comfortably inside what a current phone camera records. At 11 × 14 inches the requirement passes 12 megapixels, and a 12-megapixel photo has to be enlarged slightly or printed at a lower DPI.
Prints and photos seldom share a shape. A phone photo is 4:3, a 4 × 6 print is 3:2, and an 8 × 10 is 5:4. With the Cover setting the picture is scaled until it covers the print and the surplus is cut equally from two opposite edges, which loses about 11% of a 4:3 photo on a 4 × 6 print. The Contain setting keeps everything and fills the leftover strips with a colour instead.
Common problems and how to fix them
- People at the edge of the photo were cropped out
- Filling a print means trimming two edges. Switch the fit to "Contain (fit inside)" to keep the whole photo with a border, or crop it yourself first with the Image Cropper so you choose what goes.
- The result says the photo was enlarged
- The original has fewer pixels than the print needs at this DPI. Try 200 or 150 DPI, which is still fine for a print viewed at arm's length, or start from a higher-resolution file.
- The lab printed it with white borders
- The shape of the file did not match the paper. Make sure the size here is the paper size the lab prints on, not the frame opening, and that the fit is set to Cover.
- I only know the size in centimetres
- Use the centimetre version of this page. It works the same way and saves converting by hand.
Frequently asked questions
How do I resize a photo to 2 × 2 inches?
Add the photo, tap the 2 × 2 size and download. At 300 DPI the result is 600 × 600 pixels, cropped square from the centre. For a passport or visa photo, position the face first with the Passport Photo Cropper.
How many pixels do I need for a 4 × 6 print?
1200 × 1800 pixels at 300 DPI. A lab will accept less: 800 × 1200 pixels is 200 DPI and still looks good at arm's length. Below about 150 DPI, which is 600 × 900 pixels, a print starts to look soft.
What is the difference between DPI and PPI?
Strictly, PPI counts the pixels in an image and DPI the ink dots a printer lays down. For image files the two words are used for the same number, the one stored in the file that says how many pixels fit in one inch.
Why was part of my photo cut off?
The print size has a different shape from the photo. A phone photo is 4:3 and a 4 × 6 print is 3:2, so filling the print means trimming two edges. Choose "Contain (fit inside)" under the size fields to keep the whole picture and add a border instead.
How do I convert inches to pixels?
Multiply by the DPI. Six inches at 300 DPI is 1800 pixels; at 72 DPI it is 432. Going the other way, divide the pixels by the DPI to get inches.
Is 150 DPI enough for printing?
For large prints seen from a distance, such as posters, yes. For a photo held in the hand, 300 DPI looks noticeably crisper, and 200 DPI is a reasonable middle ground when the original is short of pixels.
Can I resize to a size smaller than one inch?
Yes. Type a decimal such as 0.75. The size is accurate to a hundredth of an inch before it is rounded to whole pixels.