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When this tool is useful
Use this to compare how large the same photo prints at 300, 240, and 150 DPI. Enter the original width and height in pixels to receive all three inch and centimetre sizes.
Photo maximum print size calculator
Compare quality tiers from megapixels or pixel dimensions.
Photo maximum print size calculator
A browser-side result for planning and reference.
What to check before using it
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How the result is produced
Each pixel dimension is divided separately by 300, 240, and 150, then inches are multiplied by 2.54 for centimetres. Embedded file DPI does not change source pixel count and is not required.
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Worked example and interpretation
A 6000 by 4000 px photo is 20 by 13.33 inches at 300 DPI and 40 by 26.67 inches at 150 DPI. Compare 300 for a close-view frame with lower DPI for a distant poster.
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Scope and limitations
The three values are comparison points, not fixed quality grades. Lens sharpness, compression, editing, viewing distance, and the printer’s recommendation determine the final size.
Frequently asked questions
Which units should I enter in Photo maximum print size calculator?
Follow the field labels and example. Width and height in one calculation must use the same unit; mixing pixels, millimetres, and inches makes the result meaningless.
Can I place an order from the rounded Photo maximum print size calculator result?
Use it for planning and candidate comparison, then verify the printer or manufacturer’s actual dimensions, allowance, or frame opening before ordering.
Are my Photo maximum print size calculator calculations saved?
Inputs and calculations currently stay in the browser and are not saved to an account. Record needed values with their units in your project notes.