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Pixels are the only dimension an image really has. DPI is a printing instruction, aspect ratio decides what…
Print Resolution Converter
Converts between 4 print and scan resolution units instantly, showing the exact conversion factor and a full reference table.
Converters
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Free, unlimited
Enter a value to convert.
In short
Print Resolution Converter is a free online tool on inputtesthub.com that converts between 4 print and scan resolution units instantly, showing the exact conversion factor and a full reference table. It needs no account, no download and no payment, and there is no daily usage limit. Everything is processed inside your own browser, so the data you paste is never uploaded to a server.
How to use the Print Resolution Converter
- Type the value you want to convert.
- Pick the unit you are converting from and the unit you want.
- The converted value and the exact conversion factor are shown instantly.
About the Print Resolution Converter
The Print Resolution Converter converts between 4 print and scan resolution units instantly, showing the exact conversion factor and a full reference table. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.
What people use it for
- Converting a measurement between metric and imperial without guessing.
- Checking a factor before using it in a spreadsheet or a piece of code.
- Reading a specification written in units you do not normally work in.
Details
| Units supported | 4 — Dot per inch, Dot per centimetre, Dot per millimetre, Pixel per inch and more |
|---|---|
| Base unit | Dot per inch |
| Precision | Calculated in double precision and shown to 10 significant figures, so round-tripping a value returns the original |
Where this tool stops
Conversion factors here are the exact internationally defined values where one exists (an inch is exactly 25.4 mm, a pound is exactly 0.45359237 kg). Units defined by physical conditions — Mach number, atmospheric pressure, a "month" — depend on context and are marked in the table.
Explained in our guides
All guidesFrequently asked questions
Is the Print Resolution Converter free?
Free, unlimited, and no email address required. You can use it a hundred times a day and nothing changes.
Can you see what I put into this utility?
No. The Print Resolution Converter runs entirely in your browser using JavaScript. Nothing is transmitted, logged or stored, which you can verify yourself in the Network tab of your browser's developer tools.
What problem does the Print Resolution Converter solve?
The jobs it is built for: converting a measurement between metric and imperial without guessing. Checking a factor before using it in a spreadsheet or a piece of code. Reading a specification written in units you do not normally work in. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
Where does the Print Resolution Converter stop being reliable?
Conversion factors here are the exact internationally defined values where one exists (an inch is exactly 25.4 mm, a pound is exactly 0.45359237 kg). Units defined by physical conditions — Mach number, atmospheric pressure, a "month" — depend on context and are marked in the table. Knowing where a tool stops being trustworthy matters more than the cases where it works.
What are the key numbers for the Print Resolution Converter?
Units supported is 4 — Dot per inch, Dot per centimetre, Dot per millimetre, Pixel per inch and more. Base unit is Dot per inch. Precision is Calculated in double precision and shown to 10 significant figures, so round-tripping a value returns the original. These are printed on the page itself, so you do not have to take them on trust.
Is the number rounded?
The calculation runs in double precision and the result is shown to ten significant figures, so converting a value and converting it back returns the original. What is displayed is rounded for readability; what is copied is not.
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