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Digital Image Resolution Converter

Convert print and screen resolution between dots per inch (DPI), pixels per inch (PPI), dots per millimeter and dots per meter.

1 dot/inch = 0.03937007874 dot/millimeter

All conversions

UnitSymbolValue

About the Digital Image Resolution Converter

Convert print and screen resolution between dots per inch (DPI), pixels per inch (PPI), dots per millimeter and dots per meter. The base unit is the dot/meter; every one of the 4 units is defined against it, so any pair converts directly in a single step.

How to Convert dot/inch to dot/millimeter

To convert dot/inch to dot/millimeter, multiply the value in dot/inch by 0.03937007874.

dot/inch to dot/millimeter table

dot/inchdot/millimeter
0.10.003937007874
10.03937007874
20.07874015748
50.1968503937
100.3937007874
200.7874015748
501.968503937
1003.937007874
50019.68503937
1,00039.37007874

Common digital image resolution conversions

  • 1 dot/inch = 0.03937007874 dot/millimeter
  • 1 dot/inch = 39.37007874 dot/meter
  • 1 dot/inch = 1 pixel/inch

How to Use the Digital Image Resolution Converter

  1. Type a value in the From box and choose its unit.
  2. Pick the unit you want in the To list — the result updates as you type.
  3. Use the swap button to reverse the conversion, or type in the To box to convert backwards.
  4. Check the All conversions table to see your value in every unit; click a row to make it the target.

Frequently Asked Questions

How do I convert dot/inch to dot/millimeter?

To convert dot/inch to dot/millimeter, multiply the value in dot/inch by 0.03937007874. For example, 1 dot/inch = 0.03937007874 dot/millimeter. Type any value above and the answer updates as you type.

How many dots/millimeter are in a dot/inch?

There are 0.03937007874 dots/millimeter in 1 dot/inch. To convert dots/inch to dots/millimeter, multiply by 0.03937007874 — for example, 10 dots/inch = 0.3937007874 dots/millimeter. To go the other way, divide by 0.03937007874.

How many dots/inch are in a dot/millimeter?

There are 25.4 dots/inch in 1 dot/millimeter. To convert dots/millimeter to dots/inch, multiply by 25.4 — for example, 10 dots/millimeter = 254 dots/inch. To go the other way, divide by 25.4.

How many dots/meter are in a dot/inch?

There are 39.37007874 dots/meter in 1 dot/inch. To convert dots/inch to dots/meter, multiply by 39.37007874 — for example, 10 dots/inch = 393.7007874 dots/meter. To go the other way, divide by 39.37007874.

How many dots/millimeter are in a dot/meter?

There are 0.001 dots/millimeter in 1 dot/meter. To convert dots/meter to dots/millimeter, multiply by 0.001 — for example, 10 dots/meter = 0.01 dots/millimeter. To go the other way, divide by 0.001.

How many pixels/inch are in a dot/inch?

There are 1 pixels/inch in 1 dot/inch. To convert dots/inch to pixels/inch, multiply by 1 — for example, 10 dots/inch = 10 pixels/inch. To go the other way, divide by 1.

How many dots/millimeter are in a pixel/inch?

There are 0.03937007874 dots/millimeter in 1 pixel/inch. To convert pixels/inch to dots/millimeter, multiply by 0.03937007874 — for example, 10 pixels/inch = 0.3937007874 dots/millimeter. To go the other way, divide by 0.03937007874.

What is the base unit for digital image resolution conversions?

The dot/meter. Every one of the 4 units in this converter is defined relative to the dot/meter, so any two units convert directly in one step.

How many units does the Digital Image Resolution Converter support?

The Digital Image Resolution Converter handles 4 units. You can convert between any two of them, or see your value in every unit at once in the "All conversions" table.

How accurate is this digital image resolution converter?

Conversions use exact definitions wherever one exists (for example the international inch is exactly 2.54 cm and the pound exactly 0.45359237 kg) and calculate in double precision. Choose how many significant digits to show — up to 15.

How do I use the Digital Image Resolution Converter?

Type a value in the From box and pick its unit, then pick the unit you want in the To list — the answer updates as you type. Use the swap button to reverse the conversion, or open the "All conversions" table to see the value in every unit.

Is the Digital Image Resolution Converter free, and does it work offline?

Yes, it is completely free with no sign-up. Once the page has loaded, every conversion runs in your browser, so nothing is sent to our servers. It's one of 71 light and other unit converters on House of Convert.