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Print Size Calculator & Image Resolution Checker
Upload your image to check its resolution and instantly calculate the maximum print size at common PPI settings.
Upload Your Image
Upload an image to check its pixel dimensions and calculate how large it can be printed at common print resolutions.
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Maximum Print Size by Resolution
See how large your image can be printed without resampling at several commonly used print resolutions.
Strong print quality for most detailed applications.
Suitable for many general-purpose print projects.
Often suitable for larger prints viewed farther away.
Check a Specific Print Size
Enter the physical size you want to print. We'll calculate the effective resolution of your uploaded image and show whether it is suitable for that size. Ready to create? Turn your images to real!
When aspect ratio is locked, changing either width or height automatically updates the other dimension to match your image.
Effective Resolution
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Calculate Required Image Resolution
Enter your desired print size and target PPI to calculate the minimum pixel dimensions your image should have.
300 PPI is commonly used for high-quality prints intended for close viewing. Lower PPI values can be suitable for larger prints viewed from farther away.
Required Image Resolution
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Standard Print Sizes & Recommended Pixel Dimensions
Use these reference tables to quickly check the pixel dimensions needed for common print sizes. Values are calculated from the physical print size at 150, 200, 240, and 300 PPI.
Common Photo & Poster Print Sizes
| Print Size | 150 PPI | 200 PPI | 240 PPI | 300 PPI |
|---|---|---|---|---|
| 4 × 6 in | 600 × 900 px | 800 × 1,200 px | 960 × 1,440 px | 1,200 × 1,800 px |
| 5 × 7 in | 750 × 1,050 px | 1,000 × 1,400 px | 1,200 × 1,680 px | 1,500 × 2,100 px |
| 8 × 10 in | 1,200 × 1,500 px | 1,600 × 2,000 px | 1,920 × 2,400 px | 2,400 × 3,000 px |
| 8.5 × 11 in | 1,275 × 1,650 px | 1,700 × 2,200 px | 2,040 × 2,640 px | 2,550 × 3,300 px |
| 11 × 14 in | 1,650 × 2,100 px | 2,200 × 2,800 px | 2,640 × 3,360 px | 3,300 × 4,200 px |
| 12 × 18 in | 1,800 × 2,700 px | 2,400 × 3,600 px | 2,880 × 4,320 px | 3,600 × 5,400 px |
| 16 × 20 in | 2,400 × 3,000 px | 3,200 × 4,000 px | 3,840 × 4,800 px | 4,800 × 6,000 px |
| 18 × 24 in | 2,700 × 3,600 px | 3,600 × 4,800 px | 4,320 × 5,760 px | 5,400 × 7,200 px |
| 20 × 30 in | 3,000 × 4,500 px | 4,000 × 6,000 px | 4,800 × 7,200 px | 6,000 × 9,000 px |
| 24 × 36 in | 3,600 × 5,400 px | 4,800 × 7,200 px | 5,760 × 8,640 px | 7,200 × 10,800 px |
ISO A-Series Paper Sizes
| Paper Size | Physical Size | 150 PPI | 200 PPI | 240 PPI | 300 PPI |
|---|---|---|---|---|---|
| A5 | 148 × 210 mm | 874 × 1,240 px | 1,165 × 1,654 px | 1,398 × 1,984 px | 1,748 × 2,480 px |
| A4 | 210 × 297 mm | 1,240 × 1,754 px | 1,654 × 2,339 px | 1,984 × 2,806 px | 2,480 × 3,508 px |
| A3 | 297 × 420 mm | 1,754 × 2,480 px | 2,339 × 3,307 px | 2,806 × 3,969 px | 3,508 × 4,961 px |
| A2 | 420 × 594 mm | 2,480 × 3,508 px | 3,307 × 4,677 px | 3,969 × 5,613 px | 4,961 × 7,016 px |
| A1 | 594 × 841 mm | 3,508 × 4,967 px | 4,677 × 6,622 px | 5,613 × 7,946 px | 7,016 × 9,933 px |
| A0 | 841 × 1,189 mm | 4,967 × 7,022 px | 6,622 × 9,362 px | 7,946 × 11,235 px | 9,933 × 14,043 px |
Note: Pixel dimensions are rounded to the nearest whole pixel and assume the listed final print size with no bleed. If your printer requires bleed, add the bleed area before calculating the final pixel dimensions.
How Print Resolution Works
Print quality depends on the relationship between the number of pixels in an image and the physical size at which those pixels are printed. This guide explains the terms and thresholds used by the calculator above.
Pixels and PPI
A digital image has fixed pixel dimensions, such as 3000 × 2400 px. PPI means pixels per inch and describes how densely those image pixels are placed when the image is printed at a specific physical size.
PPI vs. DPI
PPI refers to image pixels per inch. DPI refers to the dots a printer can place on paper or another surface. The terms are often used interchangeably in everyday print discussions, but they describe different things.
How to Calculate Effective Print Resolution
Divide the image's pixel dimension by the corresponding print dimension in inches. The calculator checks both width and height and uses the lower value as the effective PPI, which helps avoid overstating the available resolution when the aspect ratios differ.
Changing only the resolution value stored in an image file does not create new image detail. To increase the actual pixel dimensions, the image must be resampled or upscaled, which may introduce interpolation rather than genuine captured or drawn detail.
What Resolution Is Good for Printing?
There is no single resolution that is ideal for every printer, material, viewing distance, and image type. For general guidance, this calculator uses the following practical quality ranges.
Common target for high-quality prints and detailed work viewed at close range.
Strong detail for many photographs, illustrations, and general print applications.
Often suitable when a little less fine detail is acceptable.
Commonly workable for larger prints that are not inspected from very close range.
Visible softness or pixelation may appear, especially when viewed closely.
Usually too low for conventional close-viewed printing at the selected size.
Does the DPI Value Stored in a File Determine Print Quality?
Not by itself. A file can contain a resolution metadata value such as 72, 96, or 300, but the amount of image information is primarily determined by its pixel dimensions. Effective print resolution is created by combining those pixels with the final physical print size.
For example, a 3000 px wide image printed 10 inches wide has an effective resolution of 300 PPI, regardless of whether its metadata previously described a different intended print size. This calculator therefore bases its results on pixel dimensions and the print size you select.
Print Size & Image Resolution FAQ
Quick answers to common questions about PPI, DPI, print dimensions, image resolution, aspect ratio, and bleed.
What PPI should I use for high-quality printing?
Is 300 DPI the same as 300 PPI?
How large can I print my image?
Can a 72 PPI or 72 DPI image still be printed well?
Does changing 72 DPI to 300 DPI improve image quality?
Why does aspect ratio matter when choosing a print size?
Is 150 or 200 PPI enough for printing?
Does this calculator include print bleed?
What image formats can I check?
Is my uploaded image sent to a server?
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