Calculate Print Dimensions
Convert print sizes between different aspect ratios — plan crops before sending to a print shop.
Common dimensions
Print tips
Standard photo print sizes (4×6", 5×7", 8×10") all have different aspect ratios. A 4×6 image won't fill an 8×10 frame without cropping.
Enter your photo's pixel dimensions to see its ratio, then compare with your desired print size ratio to plan the crop.
A4 paper (210×297mm) has an aspect ratio of approximately 1:1.41 (√2). US Letter (8.5×11") is 1:1.29 — different from A4.
Posters and banners often use non-standard ratios. Use "Ratio → Dimensions" to get the exact pixel resolution needed at 300 DPI for your target size.
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