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Unit converters · Light

Digital image resolution converter

Convert print/image resolution between dots or pixels per inch, millimeter, and meter.

Runs in your browser No signup Free forever
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To
Result
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How it works

Two steps, no account

1

Pick your units

Metric dots-per-meter/millimeter, or the print-industry-standard dots/pixels per inch (DPI/PPI).

2

Enter a value

The result updates instantly as you type, or as soon as you change either unit.

FAQ

Common questions

Is my data sent anywhere?
No. The conversion runs entirely in your browser — nothing is transmitted, logged, or stored.
Is DPI the same as PPI?
They're closely related but technically distinct: DPI (dots per inch) describes a printer's physical ink dots, while PPI (pixels per inch) describes a digital image's pixel density. In casual use — and in this converter — the two are treated as numerically interchangeable.
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Digital Image Resolution Converter

Understanding image resolution units can be confusing. This tool helps you convert between different measurements of digital image resolution, ensuring your images are optimized for print or screen.

How to Use

1. Enter Value

Input the numerical value you want to convert.

2. Select Units

  • From: Choose the current unit (e.g., pixel/inch).
  • To: Choose the target unit (e.g., dot/meter).

3. Get Result

The conversion appears instantly. You can copy the result to your clipboard with one click.

Supported Units

  • dot/meter (dot/m): Metric unit for resolution.
  • dot/millimeter (dot/mm): Common in metric printing specifications.
  • dot/inch (dot/in): Also known as DPI, standard for printer resolution.
  • pixel/inch (pixel/in): Also known as PPI, standard for screen resolution.

Common Conversions

  • DPI vs PPI: While often used interchangeably, DPI refers to printed dots, and PPI refers to screen pixels. This tool converts the numerical density values between them.
  • Metric to Imperial: Convert from metric units (dots per meter) to imperial units (dots per inch) for international compatibility.

Technical Details

  • Precision: Calculations are performed with high precision to ensure accuracy for professional imaging work.
  • Real-time: Conversions happen instantly as you type.