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Light Converters

Digital Image Resolution Converter

Result

... Dot per inch = ... Dot per millimeter

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Dot per inch to Dot per millimeter Converter

Use this page to convert dot per inch values into dot per millimeter, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

1 dot/in = 0.0393700787401575 dot/mm

1 dot/mm = 25.4 dot/in

Example: 300 dot/in = 11.8110236220472 dot/mm

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Dot per meter to Dot per millimeterDot per meter to Dot per inchDot per meter to Pixel per inchDot per millimeter to Dot per meterDot per millimeter to Dot per inchDot per millimeter to Pixel per inchDot per inch to Dot per meterDot per inch to Pixel per inchPixel per inch to Dot per meterPixel per inch to Dot per millimeter

Dot per inch

One dot per inch is equal to 1 / 0.0254 dots per meter.

History: Dots per inch became a standard way to describe printer and scanner density.

Current use: Used for printers, scanners, raster images, publishing, and production artwork.

Also written as dot/in, dpi, dots per inch.

Dot per millimeter

One dot per millimeter is equal to 1000 dots per meter.

History: Millimeter-based resolution units are practical for compact imaging and print measurements.

Current use: Used for scanning, microscopy, print production, and compact-device resolution references.

Also written as dot/mm, dots per millimeter, dots per millimetre.

Dot per inch to Dot per millimeter table

Dot per inch [dot/in]Dot per millimeter [dot/mm]
0.01 dot/in0.000393700787401575 dot/mm
0.1 dot/in0.00393700787401575 dot/mm
1 dot/in0.0393700787401575 dot/mm
2 dot/in0.078740157480315 dot/mm
5 dot/in0.196850393700787 dot/mm
10 dot/in0.393700787401575 dot/mm
20 dot/in0.78740157480315 dot/mm
50 dot/in1.96850393700787 dot/mm
100 dot/in3.93700787401575 dot/mm

Frequently asked questions

  • How many Dot per millimeter (dot/mm) are in one Dot per inch (dot/in)?

    One Dot per inch equals 0.0393700787401575 Dot per millimeter.

  • How do you convert Dot per inch to Dot per millimeter?

    Multiply the Dot per inch value by 0.0393700787401575 to get the result in Dot per millimeter.

  • How do you convert Dot per millimeter back to Dot per inch?

    Multiply the Dot per millimeter value by 25.4 to get back to Dot per inch.

  • What is 300 Dot per inch in Dot per millimeter?

    300 Dot per inch equals 11.8110236220472 Dot per millimeter.