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SizeKit reference

ISO ID-1 Card Size

Find ISO ID-1 Card size in mm, cm, inches, pixels, and common DPI values.

ISO ID-1 Card size is 85.6 x 53.98 mm, or 3.37 x 2.13 in. At 300 DPI, ISO ID-1 Card is 1011 x 638 px.

Immediate answer

ISO ID-1 Card at a glance

Use these defaults for quick design, print, or layout decisions.

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Millimeters 85.6 x 53.98 mm physical size
Inches 3.37 x 2.13 in rounded
Pixels at 300 DPI 1011 x 638 px print-ready default

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ISO ID-1 Card key dimensions

The same values in compact cards for scanning.

Millimeters
85.6 x 53.98
mm
Centimeters
8.56 x 5.4
cm
Inches
3.37 x 2.13 in
rounded
300 DPI
1011 x 638 px
pixels

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More Business Cards sizes

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All size pages

3 sizes
Business Cards US Business Card 88.9 x 50.8 mm 3.5 x 2 in Business Cards EU Business Card 85 x 55 mm 3.35 x 2.17 in Business Cards Japan Business Card 91 x 55 mm 3.58 x 2.17 in

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ISO ID-1 Card pixel table

Common DPI values for designers and print workflows. Use the bottom calculator bar for custom DPI or orientation.

DPIPortrait pixelsLandscape pixels
72 DPI243 x 153 px153 x 243 px
96 DPI324 x 204 px204 x 324 px
150 DPI506 x 319 px319 x 506 px
300 DPI1011 x 638 px638 x 1011 px
600 DPI2022 x 1275 px1275 x 2022 px

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Formula

SizeKit uses a transparent rounding rule.

pixels = round((millimeters / 25.4) x DPI). Inches = millimeters / 25.4.

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FAQ

Quick answers for this paper size.

What is ISO ID-1 Card size in inches?

ISO ID-1 Card is 3.37 x 2.13 in when rounded to two decimals.

What is ISO ID-1 Card at 300 DPI?

ISO ID-1 Card at 300 DPI is 1011 x 638 px.

Can I switch to landscape?

Yes. Use the bottom calculator and choose landscape to swap width and height.

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Related sizes

Compare nearby sizes before choosing a layout.

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EU Business Card

Related size: 85 x 55 mm.