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Length conversion

Pixel (96 DPI) to Millimetre

One pixel (96 dpi) is 0.26458 millimetres. Enter any value below to convert it instantly, or use the reference table further down for the numbers you need most often.

1 px = 0.26458 mmInstantFree

Conversion rate

1 px = 0.26458 mm

mm = px × 0.26458

Result0.26458

1 px = 0.26458 mm

1 px in every length unit
nm264,583.333
µm264.583
mm0.26458
cm0.026458
m0.00026458
km2.6458e-7
in0.010417
ft0.00086806
yd0.00028935
mi1.644e-7
nmi1.4286e-7
pt0.75
pc0.0625
px1

Reference

Pixel (96 DPI) to Millimetre table

The values people look up most often, rounded for practical use.

Pixel (96 DPI) (px)Millimetre (mm)
1 px0.26458 mm
2 px0.52917 mm
3 px0.79375 mm
5 px1.322917 mm
10 px2.645833 mm
15 px3.96875 mm
20 px5.291667 mm
25 px6.614583 mm
50 px13.22917 mm
100 px26.45833 mm
250 px66.14583 mm
500 px132.292 mm
1,000 px264.583 mm

How to convert pixels to millimetres

Multiply the number of pixels by 0.26458. That is the whole calculation: mm = px × 0.26458. To go back the other way, divide instead, or multiply by 3.779528.

Worked example: 12 pixels × 0.26458 = 3.175 millimetres.

Where this conversion comes up

Length conversions show up constantly in printing, DIY, engineering drawings and anything bought from a country using the other measurement system. If you are converting in order to set a page or grid size, the graph paper generator accepts spacing in millimetres directly, and the on-screen ruler lets you check a printed result against both scales.

Quick answers

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Answers

Frequently asked questions

One pixel (96 dpi) equals 0.26458 millimetres. Going the other way, one millimetre is 3.779528 pixels.

Use mm = px × 0.26458. The converter above applies it for you, but the formula is useful in a spreadsheet, put your value in column A and the formula in column B.

The underlying factor is the exact internationally defined value. Results are rounded for readability, so very long decimals are trimmed, but the calculation itself carries full double precision.

Yes, press the ⇄ swap button in the converter, or use the dedicated Millimetre to Pixel (96 DPI) page.

No. The converter runs entirely in your browser, there is no account, and nothing you type is sent anywhere.

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